100
FNUS53 KDVN 180751
FWFDVN
FIRE WEATHER PLANNING FORECAST FOR IOWA/ILLINOIS
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
251 AM CDT FRI SEP 18 2026
DISCUSSION
SCATTERED SHOWERS (30-60% COVERAGE) AND AN ISOLATED THUNDERSTORM
ARE LIKELY LATE THIS MORNING INTO THE AFTERNOON HOURS. RAINFALL
TOTALS WILL BE GENERALLY LIGHT BETWEEN 0.1 TO 0.25 OF AN INCH WITH
LOCALIZED SPOTS OVER HALF OF AN INCH POSSIBLE. A WARM FRONT
SHOULD KEEP CLOUD COVER AROUND NORTH OF HIGHWAY 34 TODAY AS HIGHS
ONLY CLIMB INTO THE LOW-TO-MID-70S. FOR AREAS SOUTH OF HIGHWAY 34,
HIGHS COULD REACH THE MID-80S. INCREASING DEW POINTS WILL KEEP
MINIMUM RH VALUES BETWEEN 70-90%. WINDS ARE EXPECTED TO SHIFT FROM
EASTERLY TO SOUTHEASTERLY AND PICK UP TO 10-15 KNOTS THIS
AFTERNOON/EVENING WITH A FEW GUSTS OVER 20 KNOTS.
THE GRASSLAND FIRE DANGER INDEX -GFDI- DOES NOT ACCOUNT FOR
PRECIPITATION THAT OCCURS OR ANY SNOW ON THE GROUND. PLEASE
MAKE APPROPRIATE ADJUSTMENTS.
IAZ040-190800-
BUCHANAN-
INCLUDING THE CITY OF INDEPENDENCE
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 100 80
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 71 63 78
MIN/MAX RH % 86 100 81
20FTWND-AM(MPH) E 8 G18 SE 7
20FTWND-PM(MPH) SE 11 G18 SE 11 G18 NE 6
PRECIP AMOUNT 0.17 0.90 0.29
MIXING HGT (FT-AGL) 2000 1900
TRANSPORT WND (MPH) SE 18 S 10
SMOKE DISPERSION MARGINAL POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND
AROUND 5 MPH.
IAZ041-190800-
DELAWARE-
INCLUDING THE CITY OF MANCHESTER
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 100 90
CHANCE OF THUNDER (%) 50 50 50
MAX/MIN TEMP 71 62 77
MIN/MAX RH % 84 100 83
20FTWND-AM(MPH) E 7 SE 6
20FTWND-PM(MPH) SE 10 G18 SE 10 NE 6
PRECIP AMOUNT 0.16 0.96 0.36
MIXING HGT (FT-AGL) 2000 1800
TRANSPORT WND (MPH) SE 20 S 12
SMOKE DISPERSION FAIR POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ042-190800-
DUBUQUE-
INCLUDING THE CITY OF DUBUQUE
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 90 90
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 70 62 75
MIN/MAX RH % 79 100 81
20FTWND-AM(MPH) E 6 SE 6
20FTWND-PM(MPH) E 9 G17 E 9 NE 6
PRECIP AMOUNT 0.11 0.95 0.50
MIXING HGT (FT-AGL) 2200 1800
TRANSPORT WND (MPH) SE 18 S 12
SMOKE DISPERSION FAIR POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ051-190800-
BENTON-
INCLUDING THE CITY OF VINTON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 90 70
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 73 65 80
MIN/MAX RH % 86 100 76
20FTWND-AM(MPH) E 7 S 6
20FTWND-PM(MPH) SE 9 G18 SE 9 NW 6
PRECIP AMOUNT 0.18 0.62 0.23
MIXING HGT (FT-AGL) 2100 2900
TRANSPORT WND (MPH) SE 20 SW 12
SMOKE DISPERSION MARGINAL MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER 60S.
NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
IAZ052-190800-
LINN-
INCLUDING THE CITY OF CEDAR RAPIDS
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 90 80
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 73 64 80
MIN/MAX RH % 86 100 79
20FTWND-AM(MPH) E 7 S 6
20FTWND-PM(MPH) SE 9 G17 SE 9 NW 6
PRECIP AMOUNT 0.17 0.64 0.30
MIXING HGT (FT-AGL) 2300 2600
TRANSPORT WND (MPH) SE 18 SW 13
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ053-190800-
JONES-
INCLUDING THE CITY OF ANAMOSA
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 90 80
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 72 63 78
MIN/MAX RH % 82 100 79
20FTWND-AM(MPH) E 5 S 5
20FTWND-PM(MPH) E 8 SE 7 NW 5
PRECIP AMOUNT 0.13 0.71 0.41
MIXING HGT (FT-AGL) 2400 2500
TRANSPORT WND (MPH) SE 17 SW 13
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ054-190800-
JACKSON-
INCLUDING THE CITY OF MAQUOKETA
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 90 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 72 62 77
MIN/MAX RH % 77 100 79
20FTWND-AM(MPH) E 5 SE 5
20FTWND-PM(MPH) E 8 E 7 LGT/VAR
PRECIP AMOUNT 0.06 0.68 0.51
MIXING HGT (FT-AGL) 2600 2200
TRANSPORT WND (MPH) SE 17 S 13
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ063-190800-
IOWA-
INCLUDING THE CITY OF MARENGO
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 80 60
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 75 65 81
MIN/MAX RH % 87 100 79
20FTWND-AM(MPH) E 7 S 5
20FTWND-PM(MPH) SE 9 SE 8 W 6
PRECIP AMOUNT 0.16 0.31 0.15
MIXING HGT (FT-AGL) 2200 3400
TRANSPORT WND (MPH) SE 18 SW 14
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 60S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
IAZ064-190800-
JOHNSON-
INCLUDING THE CITY OF IOWA CITY
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 80 70
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 75 66 81
MIN/MAX RH % 85 100 80
20FTWND-AM(MPH) E 7 S 5
20FTWND-PM(MPH) SE 9 SE 8 W 6
PRECIP AMOUNT 0.16 0.34 0.18
MIXING HGT (FT-AGL) 2400 3200
TRANSPORT WND (MPH) SE 17 SW 14
SMOKE DISPERSION FAIR FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 60S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ065-190800-
CEDAR-
INCLUDING THE CITY OF TIPTON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 80 80
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 74 64 81
MIN/MAX RH % 81 100 78
20FTWND-AM(MPH) E 5 LGT/VAR
20FTWND-PM(MPH) E 7 SE 6 LGT/VAR
PRECIP AMOUNT 0.17 0.44 0.30
MIXING HGT (FT-AGL) 2600 2800
TRANSPORT WND (MPH) SE 17 SW 14
SMOKE DISPERSION FAIR FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 60S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ066-190800-
CLINTON-
INCLUDING THE CITY OF CLINTON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 80 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 73 63 79
MIN/MAX RH % 76 100 77
20FTWND-AM(MPH) E 5 S 5
20FTWND-PM(MPH) E 7 E 7 LGT/VAR
PRECIP AMOUNT 0.10 0.53 0.47
MIXING HGT (FT-AGL) 2700 2400
TRANSPORT WND (MPH) SE 17 S 13
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER 60S.
NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ068-190800-
SCOTT-
INCLUDING THE CITIES OF DAVENPORT AND BETTENDORF
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 80 80
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 75 64 80
MIN/MAX RH % 79 100 78
20FTWND-AM(MPH) E 6 S 5
20FTWND-PM(MPH) E 7 E 7 SW 5
PRECIP AMOUNT 0.11 0.39 0.45
MIXING HGT (FT-AGL) 2800 2700
TRANSPORT WND (MPH) E 15 SW 14
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 60S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ076-190800-
KEOKUK-
INCLUDING THE CITY OF SIGOURNEY
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 60
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 77 67 82
MIN/MAX RH % 87 100 80
20FTWND-AM(MPH) E 7 S 5
20FTWND-PM(MPH) SE 9 SE 8 SW 6
PRECIP AMOUNT 0.11 0.16 0.06
MIXING HGT (FT-AGL) 2300 3500
TRANSPORT WND (MPH) SE 17 SW 14
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS AROUND 70. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
NORTHEAST WIND 10 TO 15 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
IAZ077-190800-
WASHINGTON-
INCLUDING THE CITY OF WASHINGTON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 60
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 77 67 82
MIN/MAX RH % 86 100 80
20FTWND-AM(MPH) E 8 S 6
20FTWND-PM(MPH) SE 9 SE 8 SW 6
PRECIP AMOUNT 0.11 0.19 0.10
MIXING HGT (FT-AGL) 2500 3400
TRANSPORT WND (MPH) SE 16 SW 14
SMOKE DISPERSION FAIR FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND 70.
NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
NORTHEAST WIND 10 TO 15 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
IAZ078-190800-
LOUISA-
INCLUDING THE CITY OF WAPELLO
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 70
CHANCE OF THUNDER (%) 20 50 50
MAX/MIN TEMP 78 67 84
MIN/MAX RH % 83 100 75
20FTWND-AM(MPH) E 6 SE 5
20FTWND-PM(MPH) SE 8 SE 7 SW 6
PRECIP AMOUNT 0.10 0.17 0.16
MIXING HGT (FT-AGL) 2500 3200
TRANSPORT WND (MPH) SE 15 SW 13
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
IAZ087-190800-
JEFFERSON-
INCLUDING THE CITY OF FAIRFIELD
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 60
CHANCE OF THUNDER (%) 20 40 50
MAX/MIN TEMP 79 67 83
MIN/MAX RH % 91 100 83
20FTWND-AM(MPH) E 6 LGT/VAR
20FTWND-PM(MPH) SE 8 SE 7 SW 5
PRECIP AMOUNT 0.10 0.08 0.04
MIXING HGT (FT-AGL) 2400 3300
TRANSPORT WND (MPH) SE 15 SW 14
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
IAZ088-190800-
HENRY IA-
INCLUDING THE CITY OF MOUNT PLEASANT
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 70
CHANCE OF THUNDER (%) 20 40 50
MAX/MIN TEMP 79 67 83
MIN/MAX RH % 85 100 76
20FTWND-AM(MPH) E 6 LGT/VAR
20FTWND-PM(MPH) SE 7 SE 6 SW 5
PRECIP AMOUNT 0.09 0.08 0.05
MIXING HGT (FT-AGL) 2400 3100
TRANSPORT WND (MPH) SE 14 S 14
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID 60S.
NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
IAZ089-190800-
DES MOINES-
INCLUDING THE CITY OF BURLINGTON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 60
CHANCE OF THUNDER (%) 20 40 50
MAX/MIN TEMP 79 68 84
MIN/MAX RH % 82 100 72
20FTWND-AM(MPH) E 6 S 5
20FTWND-PM(MPH) E 7 SE 6 S 5
PRECIP AMOUNT 0.08 0.08 0.07
MIXING HGT (FT-AGL) 2500 2900
TRANSPORT WND (MPH) SE 14 SW 14
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID
70S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
IAZ098-190800-
VAN BUREN-
INCLUDING THE CITY OF KEOSAUQUA
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 40
CHANCE OF THUNDER (%) 20 20 40
MAX/MIN TEMP 81 68 84
MIN/MAX RH % 91 100 80
20FTWND-AM(MPH) LGT/VAR LGT/VAR
20FTWND-PM(MPH) SE 6 SE 5 LGT/VAR
PRECIP AMOUNT 0.04 0.03 0.01
MIXING HGT (FT-AGL) 2400 3200
TRANSPORT WND (MPH) SE 14 SW 13
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 70S. NORTH WIND 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE MID
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
IAZ099-190800-
LEE-
INCLUDING THE CITY OF FORT MADISON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 50
CHANCE OF THUNDER (%) 20 30 20
MAX/MIN TEMP 82 68 87
MIN/MAX RH % 82 100 71
20FTWND-AM(MPH) E 5 LGT/VAR
20FTWND-PM(MPH) SE 6 SE 5 S 5
PRECIP AMOUNT 0.04 0.03 0.02
MIXING HGT (FT-AGL) 2400 2800
TRANSPORT WND (MPH) SE 13 SW 13
SMOKE DISPERSION POOR FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 70S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE MID
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND UP
TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
ILZ001-190800-
JO DAVIESS-
INCLUDING THE CITY OF GALENA
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 90 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 71 60 76
MIN/MAX RH % 77 100 85
20FTWND-AM(MPH) E 5 SE 7
20FTWND-PM(MPH) E 8 E 9 G17 E 5
PRECIP AMOUNT 0.05 0.87 0.72
MIXING HGT (FT-AGL) 2500 1800
TRANSPORT WND (MPH) E 17 S 13
SMOKE DISPERSION FAIR POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ002-190800-
STEPHENSON-
INCLUDING THE CITY OF FREEPORT
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 90 100
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 71 59 74
MIN/MAX RH % 73 100 90
20FTWND-AM(MPH) NE 7 SE 8
20FTWND-PM(MPH) E 9 E 10 E 6
PRECIP AMOUNT 0.02 0.85 0.96
MIXING HGT (FT-AGL) 2700 1700
TRANSPORT WND (MPH) E 18 S 13
SMOKE DISPERSION FAIR POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WIND
UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ007-190800-
CARROLL-
INCLUDING THE CITY OF MOUNT CARROLL
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 80 100
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 73 61 76
MIN/MAX RH % 77 100 88
20FTWND-AM(MPH) E 6 SE 7
20FTWND-PM(MPH) E 9 E 9 SE 6
PRECIP AMOUNT 0.03 0.59 0.77
MIXING HGT (FT-AGL) 2600 2000
TRANSPORT WND (MPH) E 17 S 13
SMOKE DISPERSION FAIR POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ009-190800-
WHITESIDE-
INCLUDING THE CITY OF STERLING
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 80 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 75 62 78
MIN/MAX RH % 76 100 83
20FTWND-AM(MPH) E 6 SE 7
20FTWND-PM(MPH) E 9 E 9 S 6
PRECIP AMOUNT 0.05 0.38 0.71
MIXING HGT (FT-AGL) 2800 2100
TRANSPORT WND (MPH) E 16 SW 12
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER 60S.
NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ015-190800-
ROCK ISLAND-
INCLUDING THE CITIES OF MOLINE AND ROCK ISLAND
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 70 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 76 64 82
MIN/MAX RH % 77 100 77
20FTWND-AM(MPH) E 7 SE 6
20FTWND-PM(MPH) E 8 E 8 S 6
PRECIP AMOUNT 0.09 0.41 0.42
MIXING HGT (FT-AGL) 2700 2600
TRANSPORT WND (MPH) E 14 SW 13
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND 70.
NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ016-190800-
HENRY IL-
INCLUDING THE CITY OF GENESEO
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 76 64 81
MIN/MAX RH % 76 100 77
20FTWND-AM(MPH) E 7 S 8
20FTWND-PM(MPH) E 9 E 8 S 7
PRECIP AMOUNT 0.07 0.29 0.45
MIXING HGT (FT-AGL) 2700 2600
TRANSPORT WND (MPH) E 14 SW 15
SMOKE DISPERSION MARGINAL MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. NORTHEAST WIND 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTH WIND UP
TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ017-190800-
BUREAU-
INCLUDING THE CITY OF PRINCETON
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 70 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 76 63 81
MIN/MAX RH % 70 100 73
20FTWND-AM(MPH) E 6 SE 7
20FTWND-PM(MPH) E 8 E 8 S 6
PRECIP AMOUNT 0.04 0.30 0.48
MIXING HGT (FT-AGL) 2700 2400
TRANSPORT WND (MPH) E 14 SW 14
SMOKE DISPERSION FAIR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 70S. NORTHEAST WIND 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WIND 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTH WIND UP
TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
ILZ018-190800-
PUTNAM-
INCLUDING THE CITY OF HENNEPIN
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 60 90
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 76 64 81
MIN/MAX RH % 71 100 73
20FTWND-AM(MPH) NE 5 SE 6
20FTWND-PM(MPH) E 7 E 7 S 5
PRECIP AMOUNT 0.01 0.16 0.40
MIXING HGT (FT-AGL) 2600 2000
TRANSPORT WND (MPH) E 13 SW 15
SMOKE DISPERSION MARGINAL MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. EAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 70S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH
WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
ILZ024-190800-
MERCER-
INCLUDING THE CITY OF ALEDO
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 70
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 77 66 83
MIN/MAX RH % 82 100 78
20FTWND-AM(MPH) E 7 SE 6
20FTWND-PM(MPH) E 8 SE 7 S 6
PRECIP AMOUNT 0.08 0.27 0.37
MIXING HGT (FT-AGL) 2600 2700
TRANSPORT WND (MPH) E 14 SW 14
SMOKE DISPERSION MARGINAL MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 10 TO
15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
ILZ025-190800-
HENDERSON-
INCLUDING THE CITY OF OQUAWKA
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 50
CHANCE OF THUNDER (%) 20 40 20
MAX/MIN TEMP 79 67 84
MIN/MAX RH % 84 100 76
20FTWND-AM(MPH) E 6 S 5
20FTWND-PM(MPH) E 7 SE 6 S 5
PRECIP AMOUNT 0.07 0.06 0.13
MIXING HGT (FT-AGL) 2400 2600
TRANSPORT WND (MPH) SE 13 SW 14
SMOKE DISPERSION POOR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 70S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE
MID 60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
ILZ026-190800-
WARREN-
INCLUDING THE CITY OF MONMOUTH
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 60
CHANCE OF THUNDER (%) 20 40 50
MAX/MIN TEMP 78 66 83
MIN/MAX RH % 86 100 79
20FTWND-AM(MPH) E 6 S 5
20FTWND-PM(MPH) E 7 E 6 S 5
PRECIP AMOUNT 0.05 0.07 0.26
MIXING HGT (FT-AGL) 2500 2300
TRANSPORT WND (MPH) E 12 SW 14
SMOKE DISPERSION POOR MARGINAL
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 70S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND
UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
ILZ034-190800-
HANCOCK-
INCLUDING THE CITY OF CARTHAGE
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 20 40
CHANCE OF THUNDER (%) 20 20 20
MAX/MIN TEMP 84 68 88
MIN/MAX RH % 75 100 62
20FTWND-AM(MPH) E 6 S 5
20FTWND-PM(MPH) E 6 SE 6 S 6
PRECIP AMOUNT 0.04 0.02 0.04
MIXING HGT (FT-AGL) 2600 2600
TRANSPORT WND (MPH) SE 12 SW 14
SMOKE DISPERSION POOR FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. NORTH WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE
UPPER 60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WIND UP
TO 5 MPH.
ILZ035-190800-
MCDONOUGH-
INCLUDING THE CITY OF MACOMB
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 50
CHANCE OF THUNDER (%) 20 30 0
MAX/MIN TEMP 81 67 85
MIN/MAX RH % 77 100 67
20FTWND-AM(MPH) E 5 LGT/VAR
20FTWND-PM(MPH) E 5 E 5 S 5
PRECIP AMOUNT 0.05 0.04 0.11
MIXING HGT (FT-AGL) 2600 2000
TRANSPORT WND (MPH) SE 12 SW 13
SMOKE DISPERSION POOR POOR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTHEAST WIND 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE
MID 60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WIND UP TO
5 MPH.
MOZ009-190800-
SCOTLAND-
INCLUDING THE CITY OF MEMPHIS
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 20 30
CHANCE OF THUNDER (%) 0 20 20
MAX/MIN TEMP 83 68 86
MIN/MAX RH % 85 100 74
20FTWND-AM(MPH) LGT/VAR LGT/VAR
20FTWND-PM(MPH) SE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.01 0.00
MIXING HGT (FT-AGL) 2500 3400
TRANSPORT WND (MPH) SE 13 SW 13
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 70S. NORTH WIND UP TO 5 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHEAST WIND AROUND
5 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE MID
60S. NORTHEAST WIND AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WIND AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
UP TO 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
UP TO 5 MPH.
MOZ010-190800-
CLARK-
INCLUDING THE CITY OF KAHOKA
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 20 20
CHANCE OF THUNDER (%) 20 20 20
MAX/MIN TEMP 85 69 88
MIN/MAX RH % 82 100 68
20FTWND-AM(MPH) LGT/VAR LGT/VAR
20FTWND-PM(MPH) SE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.01 0.00
MIXING HGT (FT-AGL) 2600 3300
TRANSPORT WND (MPH) SE 12 SW 14
SMOKE DISPERSION POOR FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTH WIND UP TO 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. NORTH WIND UP TO 5 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. NORTHEAST WIND AROUND 5 MPH.
MONDAY
CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE MID
60S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WIND AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WIND UP
TO 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WIND UP
TO 5 MPH.
IAZ067-190800-
MUSCATINE-
INCLUDING THE CITY OF MUSCATINE
251 AM CDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 70
CHANCE OF THUNDER (%) 0 50 50
MAX/MIN TEMP 76 66 82
MIN/MAX RH % 82 100 77
20FTWND-AM(MPH) E 6 SE 5
20FTWND-PM(MPH) E 7 SE 7 SW 5
PRECIP AMOUNT 0.09 0.38 0.24
MIXING HGT (FT-AGL) 2600 2900
TRANSPORT WND (MPH) SE 15 SW 14
SMOKE DISPERSION MARGINAL FAIR
GFDI INDEX LOW LOW LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. NORTHEAST WIND UP TO 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND 70.
NORTHEAST WIND 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHEAST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. NORTHEAST WIND AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WIND
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WIND
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WIND UP TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WIND UP
TO 5 MPH.
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