006
FNUS53 KLSX 211344
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
844 AM CDT TUE APR 21 2026
GUSTY SOUTHWEST WINDS ARE EXPECTED THROUGHOUT THE DAY TODAY, WITH
ABOVE AVERAGE TEMPERATURES AND MODERATE TO LOW HUMIDITY. DEEP
MIXING COMBINED WITH THE GUSTY WINDS WILL ALSO SUPPORT EFFICIENT
SMOKE DISPERSION. A FEW SHOWERS ARE POSSIBLE THIS EVENING AND
OVERNIGHT IN NORTHERN AREAS, BUT WETTING RAIN IS NOT EXPECTED.
SIMILAR TEMPERATURES AND MODERATE HUMIDITY ARE EXPECTED AGAIN
TOMORROW, WITH WEAKER BUT OCCASIONALLY BREEZY SOUTHWEST WINDS.
STRONGER SOUTH WINDS RETURN THURSDAY WITH SLIGHTLY WARMER
TEMPERATURES, BUT WIDESPREAD WETTING RAIN IS EXPECTED OVERNIGHT
THROUGH FRIDAY.
MOZ072-073-083-084-099-212100-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+5) 50 (+4) 76
RH % (24H TREND) 27 (-4) 85 (+14) 47
WIND 20FT AM(MPH) SW 3-7 G20 LGT/VAR
WIND 20FT PM(MPH) SW 8-12 G21 SW 5-9 G20 SW 3-7 G15
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 70 69
MIXING HGT(FT-AGL) 5300 410 4660
TRANSPORT WND (M/S) SW 11 SW 6 S 6
TRANSPORT WND (MPH) SW 24 SW 13 S 13
VENT RATE (M/S-M) 20000 10 12180
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 80.
SOUTH WINDS 10 TO 15 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH.
MOZ074-075-085-212100-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+7) 51 (+4) 77
RH % (24H TREND) 27 (-7) 81 (+10) 47
WIND 20FT AM(MPH) SW 3-7 G19 SW 3-7 G15
WIND 20FT PM(MPH) SW 10-14 G21 SW 6-10 G20 SW 5-9 G16
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 71 71
MIXING HGT(FT-AGL) 5290 400 5070
TRANSPORT WND (M/S) SW 11 SW 7 SW 7
TRANSPORT WND (MPH) SW 25 SW 16 SW 15
VENT RATE (M/S-M) 20140 140 13260
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
SOUTH WINDS 10 TO 15 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. NORTH WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH.
MOZ041-047>050-212100-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+6) 53 (+5) 76
RH % (24H TREND) 36 (+1) 91 (+23) 51
WIND 20FT AM(MPH) SW 7-11 G23 SW 4-8 G18
WIND 20FT PM(MPH) SW 12-16 G26 SW 8-12 G24 SW 5-9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 70 68
MIXING HGT(FT-AGL) 4600 490 3890
TRANSPORT WND (M/S) SW 13 SW 8 SW 6
TRANSPORT WND (MPH) SW 29 SW 18 SW 13
VENT RATE (M/S-M) 19820 500 8070
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTH
WINDS 10 TO 15 MPH.
MOZ051-059-060-062-065-212100-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+8) 53 (+6) 77
RH % (24H TREND) 33 (-2) 89 (+19) 50
WIND 20FT AM(MPH) SW 4-8 G22 SW 3-7 G18
WIND 20FT PM(MPH) SW 10-14 G25 SW 6-10 G22 SW 3-7 G15
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 71 71
MIXING HGT(FT-AGL) 4990 450 4380
TRANSPORT WND (M/S) SW 12 SW 7 SW 5
TRANSPORT WND (MPH) SW 26 SW 15 SW 10
VENT RATE (M/S-M) 20050 460 8120
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH.
MOZ061-063-064-212100-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+11) 55 (+6) 78
RH % (24H TREND) 31 (-3) 80 (+9) 46
WIND 20FT AM(MPH) SW 5-9 G21 SW 3-7 G15
WIND 20FT PM(MPH) SW 10-14 G23 SW 6-10 G21 SW 4-8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 72 72
MIXING HGT(FT-AGL) 5180 470 4730
TRANSPORT WND (M/S) SW 12 SW 7 SW 4
TRANSPORT WND (MPH) SW 26 SW 15 SW 9
VENT RATE (M/S-M) 20860 540 7750
EXCELLENT POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 10 TO 15 MPH.
ILZ064-065-069-070-074-079-100>102-212100-
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
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+15) 53 (+7) 77
RH % (24H TREND) 32 (-4) 81 (0) 50
WIND 20FT AM(MPH) SW 4-8 G18 SW 4-8
WIND 20FT PM(MPH) SW 11-15 G23 SW 7-11 G21 SW 5-9 G15
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 71 70
MIXING HGT(FT-AGL) 5110 450 4360
TRANSPORT WND (M/S) SW 12 SW 8 SW 6
TRANSPORT WND (MPH) SW 28 SW 17 SW 13
VENT RATE (M/S-M) 21020 370 14030
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTH WINDS 15 TO 20 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 10 TO 15 MPH.
MOZ018-019-026-027-034>036-042-052-212100-
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
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+10) 54 (+6) 77
RH % (24H TREND) 39 (0) 91 (+22) 52
WIND 20FT AM(MPH) SW 10-14 G26 SW 6-10 G20
WIND 20FT PM(MPH) SW 13-17 G27 SW 9-13 G25 SW 5-9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 70 68
MIXING HGT(FT-AGL) 4750 550 3770
TRANSPORT WND (M/S) SW 13 SW 9 SW 6
TRANSPORT WND (MPH) SW 30 SW 20 SW 13
VENT RATE (M/S-M) 22370 690 8540
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS AROUND 70.
NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS AROUND 70. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 10 TO 15 MPH.
ILZ095>098-212100-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+14) 57 (+10) 77
RH % (24H TREND) 37 (+2) 88 (+17) 50
WIND 20FT AM(MPH) SW 9-13 G24 SW 5-9 G20
WIND 20FT PM(MPH) SW 13-17 G26 SW 8-12 G23 SW 5-9 G16
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 69 69
MIXING HGT(FT-AGL) 4930 540 3830
TRANSPORT WND (M/S) SW 13 SW 9 SW 5
TRANSPORT WND (MPH) SW 30 SW 20 SW 12
VENT RATE (M/S-M) 22700 700 7820
EXCELLENT POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 10 TO 15 MPH.
ILZ058>060-099-212100-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
844 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 10 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+15) 54 (+9) 77
RH % (24H TREND) 34 (+2) 83 (+3) 45
WIND 20FT AM(MPH) SW 7-11 G21 SW 5-9 G17
WIND 20FT PM(MPH) SW 13-17 G25 SW 8-12 G23 SW 6-10
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
1700FT MIXING TEMP 70 69
MIXING HGT(FT-AGL) 4820 490 4150
TRANSPORT WND (M/S) SW 13 SW 8 SW 5
TRANSPORT WND (MPH) SW 29 SW 17 SW 10
VENT RATE (M/S-M) 21930 560 7390
EXCELLENT POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS 10 TO 15 MPH.
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