159
FNUS53 KLSX 181829
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
129 PM CDT SAT APR 18 2026
SHOWERS AND THUNDERSTORMS SOAKED MUCH OF THE REGION YESTERDAY AND
OVERNIGHT WITH MOST AREAS RECEIVING >0.50" OF RAINFALL THROUGH
EARLY THIS MORNING. LOCALLY, AMOUNTS SURPASSED 2" OVER PORTIONS
OF CENTRAL MISSOURI WITH A NUMBER OR LOCATIONS RECEIVING AROUND
1". COOL AND DRY CONDITIONS WILL FOLLOW TODAY THROUGH TUESDAY
WITH GRADUAL WARMING SUNDAY INTO MONDAY. AREAS OF PATCHY FROST,
PARTICULARLY FOR ELEVATED AND EXPOSED VEGETATION, IS POSSIBLE
TONIGHT FOR LOW-LYING LOCATIONS AND AREAS ACROSS NORTHEAST
MO/WEST-CENTRAL IL. TUESDAY MARKS THE START OF A MORE SUBSTANTIAL
WARMUP LASTING INTO AT LEAST THURSDAY WITH TEMPERATURES IN THE
70S AND 80S AGAIN WITH SHOWER AND THUNDERSTORM CHANCES RETURNING
AROUND THE END OF THE WEEK.
MOZ072-073-083-084-099-190900-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR CLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 38 (-8) 70 (+13) 40 74
RH % (24H TREND) 78 (-19) 26 (-11) 84 30
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) LGT/VAR W 4-8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 61 66
MIXING HGT(FT-AGL) 290 8150 330 5890
TRANSPORT WND (M/S) W 4 W 12 W 5 SW 6
TRANSPORT WND (MPH) W 8 W 26 W 10 SW 14
VENT RATE (M/S-M) 0 34320 0 15570
POOR EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MINIMUM RH 32 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY 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. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
MOZ074-075-085-190900-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR CLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 38 (-8) 69 (+11) 39 72
RH % (24H TREND) 76 (-22) 27 (-13) 84 32
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) NW 4-8 G18 W 6-10 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 61 63
MIXING HGT(FT-AGL) 270 8380 310 5000
TRANSPORT WND (M/S) W 4 W 12 W 4 SW 5
TRANSPORT WND (MPH) W 8 W 26 W 9 SW 12
VENT RATE (M/S-M) 0 34950 40 10440
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. MINIMUM RH 32 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY 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. LOWS IN THE UPPER
40S. HIGHS AROUND 70. NORTH WINDS 5 TO 10 MPH.
MOZ041-047>050-190900-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR CLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (-6) 69 (+13) 38 72
RH % (24H TREND) 84 (-12) 32 (-4) 83 36
WIND 20FT AM(MPH) SW 3-7 G19 SE 3-7 G15
WIND 20FT PM(MPH) W 3-7 G20 W 7-11 G22 LGT/VAR S 4-8 G15
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 62 64
MIXING HGT(FT-AGL) 320 8260 370 4840
TRANSPORT WND (M/S) SW 5 W 12 E 5 SW 8
TRANSPORT WND (MPH) SW 12 W 26 E 10 SW 17
VENT RATE (M/S-M) 200 37300 290 15210
POOR EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS AROUND 80. SOUTH
WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
MOZ051-059-060-062-065-190900-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR CLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (-7) 69 (+13) 37 71
RH % (24H TREND) 82 (-16) 31 (-8) 83 35
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) NW 3-7 G20 W 7-11 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 61 64
MIXING HGT(FT-AGL) 310 8360 370 4800
TRANSPORT WND (M/S) W 5 W 13 NE 5 SW 6
TRANSPORT WND (MPH) W 10 W 29 NE 12 SW 14
VENT RATE (M/S-M) 120 39180 200 12810
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MINIMUM RH 39 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
MOZ061-063-064-190900-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-7) 68 (+11) 39 69
RH % (24H TREND) 79 (-16) 30 (-9) 78 35
WIND 20FT AM(MPH) W 3-7 G18 LGT/VAR
WIND 20FT PM(MPH) NW 5-9 G20 W 8-12 G23 N 3-7 G15 SE 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 61 61
MIXING HGT(FT-AGL) 340 8710 370 4430
TRANSPORT WND (M/S) W 4 W 13 NE 4 S 6
TRANSPORT WND (MPH) W 9 W 30 NE 8 S 13
VENT RATE (M/S-M) 200 42330 160 9430
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 36 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY 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. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
ILZ064-065-069-070-074-079-100>102-190900-
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
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR 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) 36 (-12) 67 (+12) 37 67
RH % (24H TREND) 86 (-11) 32 (-15) 82 38
WIND 20FT AM(MPH) W 4-8 G17 LGT/VAR
WIND 20FT PM(MPH) NW 5-9 G18 W 9-13 G21 N 3-7 G15 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 58
MIXING HGT(FT-AGL) 340 8460 350 4060
TRANSPORT WND (M/S) W 5 W 13 NE 4 S 4
TRANSPORT WND (MPH) W 10 W 30 NE 9 S 9
VENT RATE (M/S-M) 180 41970 210 8520
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. MINIMUM RH 39 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY 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. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. NORTH WINDS 10 TO 15 MPH.
MOZ018-019-026-027-034>036-042-052-190900-
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
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (-7) 65 (+10) 35 67
RH % (24H TREND) 82 (-14) 33 (-1) 80 40
WIND 20FT AM(MPH) W 5-9 G21 SE 3-7 G17
WIND 20FT PM(MPH) W 4-8 G20 NW 9-13 G23 N 3-7 G16 SE 5-9 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 58
MIXING HGT(FT-AGL) 340 8470 340 4140
TRANSPORT WND (M/S) W 6 NW 14 E 4 S 8
TRANSPORT WND (MPH) W 13 NW 31 E 9 S 17
VENT RATE (M/S-M) 210 42670 170 11350
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS AROUND 80. SOUTH
WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. COOLER. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
60S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
ILZ095>098-190900-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (-7) 64 (+10) 34 66
RH % (24H TREND) 81 (-17) 34 (-2) 79 36
WIND 20FT AM(MPH) W 5-9 G20 LGT/VAR
WIND 20FT PM(MPH) W 5-9 G20 NW 9-13 G23 N 4-8 G17 SE 5-9 G15
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 56
MIXING HGT(FT-AGL) 320 8320 300 4030
TRANSPORT WND (M/S) W 5 NW 15 E 4 S 7
TRANSPORT WND (MPH) W 10 NW 33 E 8 S 15
VENT RATE (M/S-M) 200 43840 180 9760
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. NOT AS WARM. LOWS AROUND 60. HIGHS IN THE LOWER
70S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
ILZ058>060-099-190900-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
129 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR 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) 36 (-9) 64 (+10) 33 65
RH % (24H TREND) 83 (-16) 30 (-12) 81 32
WIND 20FT AM(MPH) W 5-9 G20 LGT/VAR
WIND 20FT PM(MPH) NW 6-10 G21 W 12-16 G24 N 5-9 G18 SE 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 59 56
MIXING HGT(FT-AGL) 330 8970 320 4050
TRANSPORT WND (M/S) W 5 W 15 NE 4 S 5
TRANSPORT WND (MPH) W 10 W 33 NE 8 S 12
VENT RATE (M/S-M) 130 46580 160 8580
POOR EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 37 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
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