510
FNUS53 KLSX 192322
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
621 PM CDT TUE AUG 19 2025
TEMPERATURES AND HUMIDITY WILL DECLINE BEHIND TODAY'S COLD FRONT,
WITH NOTABLE CHANGES IN SENSIBLE WEATHER TAKING HOLD BY TOMORROW.
DESPITE THE COOLER, DRIER AIRMASS, RELATIVE HUMIDITY WILL STILL
ONLY BOTTOM OUT IN THE 50S AND 60S PERCENT TOMORROW AND THURSDAY.
ANOTHER COLD FRONT WILL PASS THROUGH THE REGION FRIDAY NIGHT INTO
SATURDAY, SCOURING OUT THE HEAT AND HUMIDITY EVEN FURTHER.
THROUGH THE END OF THE WEEK MOSTLY DRY CONDITIONS WITH SUSTAINED
WINDS GENERALLY UNDER 10 MPH ARE EXPECTED.
MOZ072-073-083-084-099-200900-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-3) 88 (-7) 63 85
RH % (24H TREND) 100 (+11) 52 (+3) 99 52
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) LGT/VAR N 3-7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.13 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 84 82
MIXING HGT(FT-AGL) 340 4960 280 6300
TRANSPORT WND (M/S) N 4 N 6 NE 5 NE 6
TRANSPORT WND (MPH) N 8 N 13 NE 12 NE 13
VENT RATE (M/S-M) 0 10190 0 12470
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 80S. NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH.
MOZ074-075-085-200900-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-3) 88 (-8) 64 85
RH % (24H TREND) 100 (+14) 51 (+2) 97 52
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) LGT/VAR N 4-8 NE 3-7 N 4-8
PRECIP AMOUNT 0.18 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 84 82
MIXING HGT(FT-AGL) 300 4840 290 5800
TRANSPORT WND (M/S) N 4 N 7 N 5 NE 6
TRANSPORT WND (MPH) N 9 N 15 N 12 NE 14
VENT RATE (M/S-M) 40 11830 130 12170
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 80S. NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. NORTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTH WINDS AROUND 5 MPH.
MOZ041-047>050-200900-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (-4) 88 (-5) 65 85
RH % (24H TREND) 99 (+4) 49 (-6) 100 50
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) N 3-7 NE 4-8 G15 LGT/VAR NE 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 85 81
MIXING HGT(FT-AGL) 370 5180 260 6310
TRANSPORT WND (M/S) NE 5 NE 6 NE 4 NE 5
TRANSPORT WND (MPH) NE 10 NE 13 NE 9 NE 12
VENT RATE (M/S-M) 250 11470 260 12910
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 80S. NORTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. NORTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH.
MOZ051-059-060-062-065-200900-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (-4) 87 (-6) 63 85
RH % (24H TREND) 100 (+5) 52 (-4) 100 55
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) LGT/VAR NE 3-7 LGT/VAR NE 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 84 81
MIXING HGT(FT-AGL) 310 4970 290 5960
TRANSPORT WND (M/S) NE 4 NE 6 NE 4 NE 6
TRANSPORT WND (MPH) NE 8 NE 13 NE 9 NE 13
VENT RATE (M/S-M) 200 10880 220 12170
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. NORTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 80. NORTH
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH.
MOZ061-063-064-200900-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 69 (-6) 87 (-7) 65 84
RH % (24H TREND) 96 (+5) 52 (-5) 97 56
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) N 3-7 G15 NE 5-9 NE 3-7 NE 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 83 80
MIXING HGT(FT-AGL) 360 5090 310 5940
TRANSPORT WND (M/S) NE 4 N 6 NE 5 NE 6
TRANSPORT WND (MPH) NE 9 N 13 NE 10 NE 13
VENT RATE (M/S-M) 260 11100 230 12070
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTH WINDS AROUND 5 MPH.
ILZ064-065-069-070-074-079-100>102-200900-
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
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 69 (-5) 87 (-7) 63 85
RH % (24H TREND) 98 (+6) 53 (-3) 99 57
WIND 20FT AM(MPH) NE 3-7 NE 3-7
WIND 20FT PM(MPH) LGT/VAR N 6-10 NE 3-7 NE 5-9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 83 80
MIXING HGT(FT-AGL) 380 4900 240 5120
TRANSPORT WND (M/S) N 5 N 7 NE 6 NE 6
TRANSPORT WND (MPH) N 10 N 15 NE 13 NE 13
VENT RATE (M/S-M) 200 11890 320 12220
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. NORTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTH WINDS AROUND 5 MPH.
MOZ018-019-026-027-034>036-042-052-200900-
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
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (-5) 85 (-5) 63 82
RH % (24H TREND) 100 (+3) 57 (-3) 99 58
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) N 3-7 NE 4-8 G15 LGT/VAR NE 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 83 79
MIXING HGT(FT-AGL) 380 4960 330 5770
TRANSPORT WND (M/S) NE 3 N 5 NE 4 NE 5
TRANSPORT WND (MPH) NE 7 N 10 NE 9 NE 10
VENT RATE (M/S-M) 180 9300 200 11680
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE
LOWER 80S. NORTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
ILZ095>098-200900-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (-5) 85 (-4) 62 82
RH % (24H TREND) 100 (+3) 57 (-6) 99 57
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) N 3-7 NE 4-8 LGT/VAR NE 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 83 78
MIXING HGT(FT-AGL) 350 4890 290 5820
TRANSPORT WND (M/S) N 5 N 5 NE 5 NE 5
TRANSPORT WND (MPH) N 12 N 10 NE 10 NE 12
VENT RATE (M/S-M) 230 9250 270 11180
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
ILZ058>060-099-200900-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
621 PM CDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (-5) 84 (-7) 62 82
RH % (24H TREND) 98 (+2) 56 (+1) 98 53
WIND 20FT AM(MPH) NE 3-7 NE 3-7
WIND 20FT PM(MPH) N 3-7 NE 6-10 NE 3-7 NE 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 81 78
MIXING HGT(FT-AGL) 350 4550 290 5090
TRANSPORT WND (M/S) NE 4 N 6 NE 5 NE 6
TRANSPORT WND (MPH) NE 9 N 13 NE 10 NE 13
VENT RATE (M/S-M) 190 10130 200 10880
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
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