839
FNUS53 KLSX 202234
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
534 PM CDT WED MAY 20 2026
COOL WEATHER WILL CONTINUE THE NEXT COUPLE OF DAYS WITH WINDS
VEERING MORE TO THE EAST. INCREASING HUMIDITY ALONG WITH CHANCES
OF SHOWERS (AND POSSIBLY A THUNDERSTORM) ARE FORECAST THURSDAY
NIGHT - FRIDAY.
MOZ072-073-083-084-099-210900-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 90
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 52 (-2) 74 (+8) 55 74
RH % (24H TREND) 100 (0) 59 (-10) 100 80
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) LGT/VAR NE 3-7 E 3-7 G15 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.37
PRECIP DURATION 1 11
1700FT MIXING TEMP 71 67
MIXING HGT(FT-AGL) 420 3260 440 1670
TRANSPORT WND (M/S) NE 4 E 5 E 5 SE 5
TRANSPORT WND (MPH) NE 9 E 10 E 10 SE 10
VENT RATE (M/S-M) 330 5740 550 3410
POOR MARGINAL POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH
WINDS 5 TO 10 MPH.
MOZ074-075-085-210900-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 30 90
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 52 (-3) 72 (+5) 55 74
RH % (24H TREND) 98 (-2) 62 (-6) 100 78
WIND 20FT AM(MPH) NE 3-7 LGT/VAR
WIND 20FT PM(MPH) NE 3-7 NE 4-8 NE 4-8 SE 3-7
PRECIP AMOUNT 0.00 0.00 0.07 0.42
PRECIP DURATION 1 11
1700FT MIXING TEMP 67 68
MIXING HGT(FT-AGL) 500 3000 440 1690
TRANSPORT WND (M/S) NE 4 E 5 E 5 SE 5
TRANSPORT WND (MPH) NE 9 E 10 E 10 SE 10
VENT RATE (M/S-M) 420 5340 480 2830
POOR MARGINAL POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 80. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 80. EAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
MOZ041-047>050-210900-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 30 90
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 51 (0) 71 (+7) 53 71
RH % (24H TREND) 92 (-6) 58 (-3) 100 73
WIND 20FT AM(MPH) E 4-8 G16 E 4-8 G18
WIND 20FT PM(MPH) LGT/VAR E 4-8 E 5-9 G16 E 4-8 G18
PRECIP AMOUNT 0.00 0.00 0.07 0.60
PRECIP DURATION 1 10
1700FT MIXING TEMP 64 66
MIXING HGT(FT-AGL) 420 3040 440 1610
TRANSPORT WND (M/S) NE 4 E 6 E 5 E 7
TRANSPORT WND (MPH) NE 8 E 14 E 12 E 15
VENT RATE (M/S-M) 270 7360 620 4320
POOR FAIR POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS AROUND 80. EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
MOZ051-059-060-062-065-210900-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 20 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (0) 70 (+5) 52 71
RH % (24H TREND) 93 (-6) 61 (0) 100 77
WIND 20FT AM(MPH) NE 3-7 E 3-7 G17
WIND 20FT PM(MPH) LGT/VAR E 4-8 E 4-8 G15 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02 0.36
PRECIP DURATION 1 11
1700FT MIXING TEMP 68 67
MIXING HGT(FT-AGL) 420 3170 440 1640
TRANSPORT WND (M/S) E 4 E 5 E 5 E 6
TRANSPORT WND (MPH) E 8 E 12 E 12 E 14
VENT RATE (M/S-M) 270 7050 520 4040
POOR FAIR POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
MOZ061-063-064-210900-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-1) 71 (+5) 55 72
RH % (24H TREND) 83 (-11) 55 (-6) 99 73
WIND 20FT AM(MPH) NE 3-7 E 4-8
WIND 20FT PM(MPH) LGT/VAR E 4-8 E 4-8 E 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.36
PRECIP DURATION 11
1700FT MIXING TEMP 67 67
MIXING HGT(FT-AGL) 430 3520 450 1640
TRANSPORT WND (M/S) E 4 E 6 E 5 E 6
TRANSPORT WND (MPH) E 8 E 13 E 12 E 13
VENT RATE (M/S-M) 270 6900 550 3460
POOR FAIR POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 80. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
ILZ064-065-069-070-074-079-100>102-210900-
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
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-5) 71 (+4) 55 73
RH % (24H TREND) 92 (-3) 57 (-10) 100 75
WIND 20FT AM(MPH) NE 5-9 G15 E 5-9 G15
WIND 20FT PM(MPH) NE 3-7 NE 5-9 NE 4-8 G15 E 4-8
PRECIP AMOUNT 0.00 0.00 0.00 0.34
PRECIP DURATION 10
1700FT MIXING TEMP 66 68
MIXING HGT(FT-AGL) 430 2870 430 1890
TRANSPORT WND (M/S) NE 4 E 6 E 6 E 6
TRANSPORT WND (MPH) NE 8 E 14 E 13 E 13
VENT RATE (M/S-M) 340 7770 480 4390
POOR FAIR POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
MOZ018-019-026-027-034>036-042-052-210900-
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
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 20 80
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 48 (-2) 68 (+3) 51 67
RH % (24H TREND) 83 (-8) 56 (0) 100 76
WIND 20FT AM(MPH) E 5-9 G18 E 6-10 G20
WIND 20FT PM(MPH) LGT/VAR E 5-9 G15 E 4-8 G16 E 6-10 G19
PRECIP AMOUNT 0.00 0.00 0.03 0.47
PRECIP DURATION 1 11
1700FT MIXING TEMP 62 63
MIXING HGT(FT-AGL) 410 3720 450 1530
TRANSPORT WND (M/S) NE 4 E 7 E 5 E 7
TRANSPORT WND (MPH) NE 9 E 15 E 12 E 16
VENT RATE (M/S-M) 400 9830 550 4390
POOR GOOD POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
ILZ095>098-210900-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-4) 69 (+2) 52 68
RH % (24H TREND) 77 (-12) 50 (-3) 95 74
WIND 20FT AM(MPH) NE 5-9 G17 E 6-10 G19
WIND 20FT PM(MPH) NE 3-7 E 6-10 G15 E 5-9 G16 E 5-9 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.34
PRECIP DURATION 10
1700FT MIXING TEMP 64 63
MIXING HGT(FT-AGL) 420 4380 440 1580
TRANSPORT WND (M/S) NE 4 E 6 E 5 E 7
TRANSPORT WND (MPH) NE 9 E 14 E 12 E 16
VENT RATE (M/S-M) 340 10590 550 4220
POOR GOOD POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
ILZ058>060-099-210900-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
534 PM CDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-4) 69 (+2) 51 68
RH % (24H TREND) 81 (-9) 49 (-8) 98 74
WIND 20FT AM(MPH) NE 5-9 G15 E 6-10 G16
WIND 20FT PM(MPH) NE 4-8 G15 E 6-10 E 5-9 G15 E 5-9 G16
PRECIP AMOUNT 0.00 0.00 0.00 0.33
PRECIP DURATION 10
1700FT MIXING TEMP 65 66
MIXING HGT(FT-AGL) 460 3990 440 1780
TRANSPORT WND (M/S) NE 4 E 6 E 5 E 6
TRANSPORT WND (MPH) NE 9 E 14 E 12 E 14
VENT RATE (M/S-M) 360 9710 620 3970
POOR GOOD POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
NORTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
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