782
FNUS53 KLSX 191239
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
739 AM CDT SUN APR 19 2026
DRY CONDITIONS ARE FAVORED THROUGH THURSDAY WITH SEASONABLY COOL
TO NEAR NORMAL TEMPERATURES (60S/LOW-70S) THROUGH MONDAY. COOLER
AIR GIVES WAY TO ABOVE NORMAL WARMTH TUESDAY THROUGH THURSDAY
(70S/80S). STRONG WESTERLY FLOW WILL BE BRIEFLY IMPEDED BY A
REINFORCING COLD FRONT THAT DROPS NORTH TO SOUTH THIS AFTERNOON,
BRIEFING TURNING WIND OUT OF THE NORTHWEST TO NORTH TONIGHT.
WINDS SHIFT BACK OUT OF THE SOUTH AND SOUTHWEST LATE MONDAY INTO
TUESDAY AS WARMER AIR IS PUSHED BACK INTO THE MID-MISSISSIPPI
VALLEY. MINIMUM RELATIVE HUMIDITY WILL BE LOWEST TODAY (25-35%)
WITH GRADUAL STEP INCREASES EACH DAY THROUGH MIDWEEK THAT
COINCIDE WITH THE WARMING AIRMASS. MIXING HEIGHTS IMPROVE TODAY,
PEAKING AT 7500-9500 FEET. THE REINFORCING FRONT STALLS IN THE
AREA WITH MIXING HEIGHTS LOWERING TO 4000-6000 FEET MONDAY AND
TUESDAY. VENTILATION RATES WILL BE GOOD TODAY AND TUESDAY WITH
FAIR TO POOR RATES MONDAY.
MOZ072-073-083-084-099-192100-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (+13) 40 (+2) 72
RH % (24H TREND) 26 (-10) 81 (-10) 31
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) W 6-10 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 66
MIXING HGT(FT-AGL) 7840 350 5820
TRANSPORT WND (M/S) W 11 W 4 SW 6
TRANSPORT WND (MPH) W 24 W 9 SW 13
VENT RATE (M/S-M) 32650 0 14610
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MINIMUM RH 33 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 WITH 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 LOWER 70S. NORTH WINDS 5 TO 10 MPH.
MOZ074-075-085-192100-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+10) 39 (0) 71
RH % (24H TREND) 27 (-10) 78 (-16) 33
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) W 7-11 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 65
MIXING HGT(FT-AGL) 8090 330 5190
TRANSPORT WND (M/S) W 11 W 4 SW 5
TRANSPORT WND (MPH) W 24 W 8 SW 12
VENT RATE (M/S-M) 32550 30 9980
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 33 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 UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. NORTH WINDS 5 TO 10 MPH.
MOZ041-047>050-192100-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 69 (+12) 39 (+1) 72
RH % (24H TREND) 27 (-5) 79 (-8) 37
WIND 20FT AM(MPH) SW 4-8 G20 E 3-7 G15
WIND 20FT PM(MPH) W 9-13 G24 LGT/VAR S 4-8 G16
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 65
MIXING HGT(FT-AGL) 8280 410 4770
TRANSPORT WND (M/S) W 11 E 5 SW 7
TRANSPORT WND (MPH) W 25 E 12 SW 16
VENT RATE (M/S-M) 36990 290 13900
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 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
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. NOT AS WARM. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 70S. WEST 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.
MOZ051-059-060-062-065-192100-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+10) 37 (-2) 71
RH % (24H TREND) 27 (-7) 79 (-17) 36
WIND 20FT AM(MPH) W 3-7 G20 LGT/VAR
WIND 20FT PM(MPH) W 8-12 G25 LGT/VAR S 3-7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 60 64
MIXING HGT(FT-AGL) 8350 370 4960
TRANSPORT WND (M/S) W 12 E 4 SW 6
TRANSPORT WND (MPH) W 26 E 9 SW 14
VENT RATE (M/S-M) 39180 230 11690
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MINIMUM RH 40 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 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. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
MOZ061-063-064-192100-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+9) 39 (-2) 69
RH % (24H TREND) 25 (-9) 74 (-5) 32
WIND 20FT AM(MPH) W 3-7 G18 LGT/VAR
WIND 20FT PM(MPH) W 9-13 G26 N 3-7 G17 SE 3-7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 59 61
MIXING HGT(FT-AGL) 9010 370 4650
TRANSPORT WND (M/S) W 13 E 4 S 5
TRANSPORT WND (MPH) W 29 E 8 S 12
VENT RATE (M/S-M) 42360 220 9350
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 38 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 80S.
SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH 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.
ILZ064-065-069-070-074-079-100>102-192100-
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
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+10) 37 (-3) 67
RH % (24H TREND) 28 (-16) 80 (-1) 36
WIND 20FT AM(MPH) W 4-8 G19 LGT/VAR
WIND 20FT PM(MPH) W 10-14 G27 N 4-8 G19 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 58 58
MIXING HGT(FT-AGL) 8950 340 4360
TRANSPORT WND (M/S) W 13 NE 4 S 4
TRANSPORT WND (MPH) W 30 NE 9 S 8
VENT RATE (M/S-M) 47810 180 8730
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 40 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 AROUND 80.
SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY WITH 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. SHOWERS LIKELY. LOWS AROUND 50. HIGHS
IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.
MOZ018-019-026-027-034>036-042-052-192100-
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
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+10) 35 (-2) 67
RH % (24H TREND) 28 (-4) 76 (-3) 37
WIND 20FT AM(MPH) W 5-9 G23 SE 3-7 G17
WIND 20FT PM(MPH) NW 11-15 G27 N 3-7 G18 S 6-10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 58 59
MIXING HGT(FT-AGL) 8790 290 4380
TRANSPORT WND (M/S) NW 14 E 4 S 7
TRANSPORT WND (MPH) NW 31 E 9 S 15
VENT RATE (M/S-M) 44930 130 11500
EXCELLENT POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 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 IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. NOT AS WARM. LOWS IN THE UPPER 50S. HIGHS AROUND
70. WEST 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.
ILZ095>098-192100-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+9) 34 (-3) 66
RH % (24H TREND) 29 (-5) 76 (0) 34
WIND 20FT AM(MPH) W 5-9 G22 LGT/VAR
WIND 20FT PM(MPH) NW 12-16 G27 N 4-8 G19 SE 5-9 G16
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 57 57
MIXING HGT(FT-AGL) 8710 290 4270
TRANSPORT WND (M/S) NW 15 E 4 S 6
TRANSPORT WND (MPH) NW 33 E 8 S 14
VENT RATE (M/S-M) 46140 150 9810
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
MOSTLY CLEAR. 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 15 TO 20 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
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
ILZ058>060-099-192100-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
739 AM CDT SUN APR 19 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+9) 33 (-5) 65
RH % (24H TREND) 27 (-14) 78 (+1) 30
WIND 20FT AM(MPH) W 5-9 G21 LGT/VAR
WIND 20FT PM(MPH) W 13-17 G28 N 5-9 G20 SE 3-7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 57 57
MIXING HGT(FT-AGL) 9370 300 4370
TRANSPORT WND (M/S) W 15 NE 4 S 5
TRANSPORT WND (MPH) W 33 NE 9 S 10
VENT RATE (M/S-M) 47550 130 8210
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 38 PERCENT. 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
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 10 TO 15 MPH.
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