392
FNUS53 KLSX 171830
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
130 PM CDT TUE MAR 17 2026
NORTHWEST WINDS WILL WEAKEN, BECOMING LIGHT AND VARIABLE THROUGH
MUCH OF THE DAY TODAY. SKIES REMAIN MOSTLY CLEAR THROUGH THE
EARLY HALF OF THE DAYLIGHT HOURS BEFORE CLOUDS BEGIN TO INCREASE
OUT OF THE NORTHWEST THIS AFTERNOON. MIXING HEIGHTS PEAK BETWEEN
2500-4300 FEET ROUGHLY BETWEEN NOON AND 5 P.M. BEFORE FALLING.
WEAKER TRANSPORT WINDS RESULT IN FAIR TO POOR VENTILATION RATES
THROUGHOUT THE DAY. A WARM FRONT PASSES THROUGH THE REGION
TONIGHT WITH A SIGNIFICANT WARMING TREND WEDNESDAY THROUGH LATE
WEEK. MIXING HEIGHTS INCREASE SLIGHTLY EACH AFTERNOON, THOUGH
TRANSPORT WINDS REMAIN WEAK, ALONGSIDE FAIR TO POOR VENTILATION
RATES.
MOZ072-073-083-084-099-180900-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 33 (+19) 67 (+26) 43 78
RH % (24H TREND) 67 (-7) 33 (+7) 80 34
WIND 20FT AM(MPH) SW 5-9 G21 LGT/VAR
WIND 20FT PM(MPH) S 4-8 G22 W 4-8 G16 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 56 69
MIXING HGT(FT-AGL) 510 3950 250 4660
TRANSPORT WND (M/S) S 5 W 6 SW 3 NW 9
TRANSPORT WND (MPH) S 10 W 13 SW 6 NW 21
VENT RATE (M/S-M) 90 8630 0 19280
POOR GOOD POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. MINIMUM RH 35 PERCENT. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 80S.
MINIMUM RH 33 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. MINIMUM RH 32 PERCENT. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. MINIMUM RH 33 PERCENT. NORTHEAST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. MINIMUM RH 36 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ074-075-085-180900-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+17) 65 (+25) 43 76
RH % (24H TREND) 67 (-1) 35 (+9) 81 35
WIND 20FT AM(MPH) S 8-12 G25 LGT/VAR
WIND 20FT PM(MPH) S 4-8 G20 W 5-9 G17 LGT/VAR W 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 0
1700FT MIXING TEMP 55 68
MIXING HGT(FT-AGL) 460 4250 260 4920
TRANSPORT WND (M/S) S 5 W 6 SW 3 W 9
TRANSPORT WND (MPH) S 12 W 14 SW 6 W 21
VENT RATE (M/S-M) 240 9590 0 16630
POOR GOOD POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. MINIMUM RH 37 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. MINIMUM RH 36 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. MINIMUM RH 35 PERCENT. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. MINIMUM RH 37 PERCENT. NORTHEAST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S. MINIMUM RH 39 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ041-047>050-180900-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SNOW/RAIN NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+20) 66 (+27) 44 75
RH % (24H TREND) 75 (+2) 39 (+8) 85 38
WIND 20FT AM(MPH) SW 4-8 G18 SW 3-7
WIND 20FT PM(MPH) SE 5-9 G21 W 4-8 LGT/VAR NW 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 55 68
MIXING HGT(FT-AGL) 400 2620 300 3570
TRANSPORT WND (M/S) S 6 W 5 SW 4 N 8
TRANSPORT WND (MPH) S 13 W 12 SW 9 N 18
VENT RATE (M/S-M) 400 5610 110 10340
POOR MARGINAL POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
70S. MINIMUM RH 40 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S.
MINIMUM RH 36 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 33 PERCENT. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. MINIMUM RH 36 PERCENT. NORTHEAST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.
SOUTHEAST WINDS 5 TO 10 MPH.
MOZ051-059-060-062-065-180900-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 30 (+17) 66 (+28) 44 75
RH % (24H TREND) 72 (-3) 38 (+8) 84 38
WIND 20FT AM(MPH) SW 5-9 G19 LGT/VAR
WIND 20FT PM(MPH) SE 4-8 G21 W 4-8 G15 LGT/VAR NW 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 55 68
MIXING HGT(FT-AGL) 370 3210 270 3830
TRANSPORT WND (M/S) S 5 W 6 W 3 NW 8
TRANSPORT WND (MPH) S 10 W 14 W 6 NW 18
VENT RATE (M/S-M) 370 9410 40 14390
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. MINIMUM RH 37 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. MINIMUM RH 34 PERCENT. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. MINIMUM RH 37 PERCENT. NORTHEAST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.
SOUTHEAST WINDS 5 TO 10 MPH.
MOZ061-063-064-180900-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 31 (+18) 64 (+27) 45 74
RH % (24H TREND) 70 (+5) 42 (+11) 82 41
WIND 20FT AM(MPH) SW 5-9 G17 LGT/VAR
WIND 20FT PM(MPH) SE 4-8 G19 W 5-9 LGT/VAR W 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 54 68
MIXING HGT(FT-AGL) 490 3310 290 3610
TRANSPORT WND (M/S) SE 5 W 6 S 2 NW 9
TRANSPORT WND (MPH) SE 12 W 14 S 5 NW 20
VENT RATE (M/S-M) 370 8830 60 11150
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S.
MINIMUM RH 39 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 34 PERCENT. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS AROUND 40. HIGHS IN
THE MID 50S. MINIMUM RH 35 PERCENT. NORTHEAST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
ILZ064-065-069-070-074-079-100>102-180900-
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
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (+14) 63 (+29) 42 73
RH % (24H TREND) 71 (+5) 44 (+12) 87 45
WIND 20FT AM(MPH) S 9-13 G25 LGT/VAR
WIND 20FT PM(MPH) SE 3-7 G19 W 7-11 G19 LGT/VAR W 3-7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 53 64
MIXING HGT(FT-AGL) 490 3710 310 3840
TRANSPORT WND (M/S) S 5 W 7 W 3 W 8
TRANSPORT WND (MPH) S 10 W 16 W 7 W 18
VENT RATE (M/S-M) 440 10160 100 13430
POOR GOOD POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS AROUND 40. HIGHS IN
THE MID 50S. MINIMUM RH 40 PERCENT. NORTHEAST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ018-019-026-027-034>036-042-052-180900-
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
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR MCLDY MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 50 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (+18) 62 (+28) 41 70
RH % (24H TREND) 85 (+11) 49 (+13) 91 49
WIND 20FT AM(MPH) SW 4-8 G16 SW 3-7
WIND 20FT PM(MPH) SE 6-10 G23 W 4-8 LGT/VAR NW 4-8 G15
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 51 65
MIXING HGT(FT-AGL) 420 2190 310 3030
TRANSPORT WND (M/S) S 6 W 5 SW 7 N 9
TRANSPORT WND (MPH) S 14 W 12 SW 15 N 20
VENT RATE (M/S-M) 410 5490 60 9310
POOR MARGINAL POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER
70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND 80.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. MINIMUM RH 37 PERCENT. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE MID 30S. HIGHS
IN THE LOWER 50S. MINIMUM RH 39 PERCENT. NORTHEAST WINDS 10 TO
15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. SOUTHEAST WINDS 5 TO 10 MPH.
ILZ095>098-180900-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR MCLDY MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 70 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (+15) 60 (+28) 40 69
RH % (24H TREND) 82 (+9) 52 (+8) 92 49
WIND 20FT AM(MPH) SW 4-8 G15 SW 3-7
WIND 20FT PM(MPH) SE 5-9 G23 W 4-8 LGT/VAR NW 4-8
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 2
1700FT MIXING TEMP 49 63
MIXING HGT(FT-AGL) 500 2110 270 3090
TRANSPORT WND (M/S) S 7 W 5 SW 6 N 8
TRANSPORT WND (MPH) S 15 W 12 SW 13 N 17
VENT RATE (M/S-M) 430 6400 80 9290
POOR FAIR POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. MINIMUM RH 36 PERCENT. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE MID 30S. HIGHS
IN THE LOWER 50S. MINIMUM RH 38 PERCENT. NORTHEAST WINDS 10 TO
15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTHEAST WINDS 5 TO 10 MPH.
ILZ058>060-099-180900-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
130 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 60 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (+14) 59 (+27) 39 70
RH % (24H TREND) 75 (+5) 47 (+5) 90 43
WIND 20FT AM(MPH) S 8-12 G24 S 3-7
WIND 20FT PM(MPH) SE 5-9 G20 W 6-10 G16 LGT/VAR W 4-8
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 2
1700FT MIXING TEMP 50 62
MIXING HGT(FT-AGL) 490 2830 280 3720
TRANSPORT WND (M/S) S 5 W 7 S 3 NW 7
TRANSPORT WND (MPH) S 12 W 15 S 6 NW 15
VENT RATE (M/S-M) 460 7390 40 9590
POOR FAIR POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. MINIMUM RH 36 PERCENT. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. MUCH COOLER. LOWS IN THE MID 30S. HIGHS
IN THE LOWER 50S. MINIMUM RH 36 PERCENT. NORTHEAST WINDS 10 TO
15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHEAST WINDS 5 TO 10 MPH.
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