521
FNUS53 KLSX 302204
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
504 PM CDT THU OCT 30 2025
SURFACE WINDS WILL FOLLOW TYPICAL DIURNAL TRENDS THROUGH THE NEXT
FEW DAYS. SUSTAINED WINDS PEAK AT 10-15 MPH DURING DEEPER MIXING
IN THE DAYLIGHT HOURS WITH INVERSIONS IN THE OVERNIGHT PERIODS
RESULTING IN LIGHTER SURFACE WINDS. NORTHWEST FLOW GRADUALLY
TURNS MORE WESTERLY THIS AFTERNOON INTO FRIDAY, THEN BACK OUT OF
THE NORTHWEST SATURDAY WITH THE PASSAGE OF A COLD FRONT.
TEMPERATURES WILL REMAIN SEASONABLY COOL WITH MOSTLY DRY
CONDITIONS EXPECTED.
MIXING HEIGHTS FOLLOW SUIT WITH THRESHOLDS OF 1600 FEET ACHIEVED
BETWEEN 16Z-18Z THROUGH SATURDAY. PEAK MIXING HEIGHTS OF
2500-3600 FEET OVER SOUTHWEST ILLINOIS WILL IMPROVE TO AROUND
5000 FEET OVER NORTHEAST MISSOURI AND WEST-CENTRAL ILLINOIS
TODAY. AS DRIER AIR MOVES IN FROM THE NORTHWEST FRIDAY, DEEPER
MIXING HEIGHTS BROADEN OVER THE REGION, PEAKING AT5000-6200 FEET
FRIDAY. MIXING HEIGHTS THEN DROP OFF SLIGHTLY SATURDAY BEHIND THE
COLD FRONT WITH PEAK HEIGHTS OF 5000-5500 FEET IN A NARROW WINDOW
OF MOSTLY CLEAR SKIES THAT RUN WEST TO EAST THROUGH CENTRAL
MISSOURI AND ILLINOIS. NORTH AND SOUTH OF THIS, HEIGHTS WILL
STILL BE AROUND OR ABOVE 4000 FEET.
MINIMUM RH VALUES GENERALLY REMAIN IN THE 45-65% RANGE TODAY AND
SATURDAY WITH THE LOWEST RH VALUES CENTERED ON FRIDAY AFTERNOON,
WHEN RH DIPS TO 35-45% ACROSS THE REGION.
MOZ072-073-083-084-099-310900-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (-4) 62 (+3) 38 54
RH % (24H TREND) 100 (+6) 39 (-13) 88 48
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) LGT/VAR W 4-8 G16 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
1700FT MIXING TEMP 57 48
MIXING HGT(FT-AGL) 310 5710 270 5090
TRANSPORT WND (M/S) W 5 W 8 W 4 NW 6
TRANSPORT WND (MPH) W 10 W 18 W 8 NW 13
VENT RATE (M/S-M) 0 17860 0 13210
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. WEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
MOZ074-075-085-310900-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (-6) 62 (+2) 39 55
RH % (24H TREND) 99 (+3) 39 (-11) 85 49
WIND 20FT AM(MPH) W 3-7 G16 LGT/VAR
WIND 20FT PM(MPH) W 3-7 W 4-8 G16 LGT/VAR NW 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
1700FT MIXING TEMP 57 49
MIXING HGT(FT-AGL) 280 5660 250 4800
TRANSPORT WND (M/S) NW 4 W 8 W 4 W 6
TRANSPORT WND (MPH) NW 9 W 17 W 9 W 13
VENT RATE (M/S-M) 0 15420 0 11960
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. WEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTH WINDS 5 TO 10 MPH.
MOZ041-047>050-310900-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (-5) 61 (+3) 33 51
RH % (24H TREND) 100 (+4) 42 (-13) 96 50
WIND 20FT AM(MPH) W 3-7 LGT/VAR
WIND 20FT PM(MPH) LGT/VAR W 7-11 G18 LGT/VAR NW 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 58 49
MIXING HGT(FT-AGL) 350 5880 260 5690
TRANSPORT WND (M/S) W 5 W 10 NW 3 NW 6
TRANSPORT WND (MPH) W 10 W 22 NW 7 NW 14
VENT RATE (M/S-M) 230 19650 100 12870
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. EAST WINDS 5 TO 10 MPH.
MOZ051-059-060-062-065-310900-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 33 (-6) 61 (+2) 35 54
RH % (24H TREND) 100 (+6) 43 (-9) 95 47
WIND 20FT AM(MPH) W 3-7 G15 LGT/VAR
WIND 20FT PM(MPH) LGT/VAR W 6-10 G18 LGT/VAR NW 4-8 G15
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 58 50
MIXING HGT(FT-AGL) 300 5680 230 6070
TRANSPORT WND (M/S) W 5 W 9 W 3 NW 6
TRANSPORT WND (MPH) W 12 W 21 W 7 NW 14
VENT RATE (M/S-M) 120 18570 30 13600
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 5 MPH.
MONDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 5 MPH.
MOZ061-063-064-310900-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (-4) 61 (+1) 35 55
RH % (24H TREND) 100 (+12) 43 (-8) 95 48
WIND 20FT AM(MPH) W 3-7 LGT/VAR
WIND 20FT PM(MPH) W 3-7 G15 W 7-11 G18 W 3-7 NW 5-9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 58 51
MIXING HGT(FT-AGL) 350 5820 260 6290
TRANSPORT WND (M/S) W 5 W 9 W 4 NW 6
TRANSPORT WND (MPH) W 10 W 20 W 8 NW 14
VENT RATE (M/S-M) 200 18100 60 13550
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 5 MPH.
MONDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND
70. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
ILZ064-065-069-070-074-079-100>102-310900-
BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL-
MADISON IL-SAINT CLAIR IL-MONROE IL-
INCLUDING THE CITIES OF VANDALIA, CENTRALIA, SALEM, CHESTER,
SPARTA, ALTON, EDWARDSVILLE, BELLEVILLE, AND CAHOKIA
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (-5) 60 (0) 37 55
RH % (24H TREND) 100 (+5) 43 (-8) 92 45
WIND 20FT AM(MPH) W 4-8 G15 LGT/VAR
WIND 20FT PM(MPH) W 4-8 W 7-11 G19 LGT/VAR W 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 56 51
MIXING HGT(FT-AGL) 330 5430 280 6050
TRANSPORT WND (M/S) W 5 W 8 NW 3 W 6
TRANSPORT WND (MPH) W 10 W 17 NW 7 W 14
VENT RATE (M/S-M) 230 16450 120 13750
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTH WINDS 5 TO 10 MPH.
MOZ018-019-026-027-034>036-042-052-310900-
KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-
AUDRAIN MO-LINCOLN MO-
INCLUDING THE CITIES OF HANNIBAL, BOWLING GREEN, AND MEXICO
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (-4) 59 (+1) 31 51
RH % (24H TREND) 100 (+6) 43 (-12) 97 54
WIND 20FT AM(MPH) W 4-8 G16 LGT/VAR
WIND 20FT PM(MPH) W 3-7 G16 W 9-13 G20 NW 3-7 G17 NW 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 57 47
MIXING HGT(FT-AGL) 360 5730 270 5270
TRANSPORT WND (M/S) W 5 W 10 W 4 NW 6
TRANSPORT WND (MPH) W 10 W 22 W 9 NW 14
VENT RATE (M/S-M) 170 19800 30 13620
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
ILZ095>098-310900-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (-2) 60 (+1) 31 51
RH % (24H TREND) 100 (+5) 41 (-9) 98 52
WIND 20FT AM(MPH) W 4-8 G16 LGT/VAR
WIND 20FT PM(MPH) NW 3-7 G16 W 9-13 G20 NW 3-7 G16 NW 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 57 47
MIXING HGT(FT-AGL) 320 6200 240 5290
TRANSPORT WND (M/S) NW 5 W 9 W 4 NW 6
TRANSPORT WND (MPH) NW 10 W 20 W 9 NW 14
VENT RATE (M/S-M) 200 19750 90 13440
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
ILZ058>060-099-310900-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
504 PM CDT THU OCT 30 2025
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (-3) 60 (+1) 32 52
RH % (24H TREND) 100 (+7) 37 (-7) 92 43
WIND 20FT AM(MPH) W 4-8 G16 LGT/VAR
WIND 20FT PM(MPH) W 4-8 G16 W 9-13 G20 W 3-7 G15 NW 5-9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 56 50
MIXING HGT(FT-AGL) 340 6220 250 6160
TRANSPORT WND (M/S) W 5 W 9 W 3 W 6
TRANSPORT WND (MPH) W 12 W 20 W 7 W 14
VENT RATE (M/S-M) 120 18020 20 13200
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. MINIMUM RH 38 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 60S.
NORTHEAST WINDS 5 TO 10 MPH.
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