353
FNUS53 KLSX 181659
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
1159 AM CDT SAT APR 18 2026
WIDESPREAD SHOWERS AND THUNDERSTORMS SOAKED MUCH OF THE REGION
WITH >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. TEMPERATURES WILL EVEN BE COOL
ENOUGH FOR PATCHY FROST ON ELEVATED, EXPOSED VEGETATION SUNDAY
MORNING. A MORE SIGNIFICANT WARM-UP IS EXPECTED TUESDAY THROUGH
THURSDAY WITH HIGHS RETURNING TO THE 70S AND 80S. ANOTHER ROUND
OF ACTIVE WEATHER IS SLATED TO RETURN LATE THURSDAY INTO FRIDAY
WITH SHOWERS AND THUNDERSTORMS POSSIBLE.
MOZ072-073-083-084-099-182100-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-25) 38 (-8) 70
RH % (24H TREND) 35 (-12) 78 (-19) 26
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) NW 6-10 G22 LGT/VAR W 4-8 G19
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 51 63
MIXING HGT(FT-AGL) 4330 300 8430
TRANSPORT WND (M/S) NW 11 W 4 W 12
TRANSPORT WND (MPH) NW 24 W 9 W 26
VENT RATE (M/S-M) 16870 0 35850
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 32 PERCENT. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. MINIMUM RH 31 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
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 UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
MOZ074-075-085-182100-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-25) 38 (-8) 69
RH % (24H TREND) 37 (-11) 76 (-22) 27
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) NW 7-11 G22 NW 4-8 G18 W 6-10 G18
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 53 63
MIXING HGT(FT-AGL) 4190 280 8750
TRANSPORT WND (M/S) NW 11 W 4 W 11
TRANSPORT WND (MPH) NW 24 W 9 W 25
VENT RATE (M/S-M) 16710 0 35460
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS AROUND 70. MINIMUM
RH 35 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. MINIMUM RH 31 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S. MINIMUM RH 40 PERCENT. 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 UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
MOZ041-047>050-182100-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 56 (-27) 37 (-6) 69
RH % (24H TREND) 34 (-18) 84 (-12) 32
WIND 20FT AM(MPH) NW 10-14 G27 SW 3-7 G19
WIND 20FT PM(MPH) NW 10-14 G24 W 3-7 G20 W 7-11 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 50 63
MIXING HGT(FT-AGL) 4910 330 8290
TRANSPORT WND (M/S) NW 11 W 4 W 13
TRANSPORT WND (MPH) NW 24 W 9 W 29
VENT RATE (M/S-M) 23450 180 37840
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 70S.
MINIMUM RH 38 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. 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 AROUND 60. HIGHS IN THE LOWER 80S.
SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
MOZ051-059-060-062-065-182100-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 56 (-28) 37 (-7) 69
RH % (24H TREND) 37 (-13) 82 (-16) 31
WIND 20FT AM(MPH) LGT/VAR LGT/VAR
WIND 20FT PM(MPH) NW 8-12 G23 NW 3-7 G20 W 7-11 G23
PRECIP AMOUNT 0.09 0.00 0.00
PRECIP DURATION 0
1700FT MIXING TEMP 51 63
MIXING HGT(FT-AGL) 4700 320 8630
TRANSPORT WND (M/S) NW 11 W 5 W 13
TRANSPORT WND (MPH) NW 24 W 10 W 29
VENT RATE (M/S-M) 17600 170 41330
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 70.
MINIMUM RH 38 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MINIMUM RH 38 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
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.
MOZ061-063-064-182100-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY CLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-28) 40 (-7) 68
RH % (24H TREND) 37 (-12) 79 (-16) 30
WIND 20FT AM(MPH) NW 4-8 G24 W 3-7 G18
WIND 20FT PM(MPH) NW 9-13 G23 NW 5-9 G20 W 8-12 G23
PRECIP AMOUNT 0.09 0.00 0.00
PRECIP DURATION 0
1700FT MIXING TEMP 51 63
MIXING HGT(FT-AGL) 4890 350 8890
TRANSPORT WND (M/S) NW 11 W 4 W 13
TRANSPORT WND (MPH) NW 25 W 9 W 30
VENT RATE (M/S-M) 18200 200 41440
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S. MINIMUM RH 37 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 35 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. 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 WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
ILZ064-065-069-070-074-079-100>102-182100-
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
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY CLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 56 (-27) 36 (-12) 67
RH % (24H TREND) 44 (-10) 86 (-11) 32
WIND 20FT AM(MPH) NW 6-10 G25 W 4-8 G17
WIND 20FT PM(MPH) NW 11-15 G23 NW 5-9 G18 W 9-13 G21
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 52 62
MIXING HGT(FT-AGL) 4220 340 8540
TRANSPORT WND (M/S) NW 11 W 5 W 13
TRANSPORT WND (MPH) NW 24 W 12 W 29
VENT RATE (M/S-M) 18010 180 40420
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. 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 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.
MOZ018-019-026-027-034>036-042-052-182100-
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
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-28) 35 (-7) 65
RH % (24H TREND) 31 (-25) 82 (-14) 33
WIND 20FT AM(MPH) NW 9-13 G26 W 5-9 G21
WIND 20FT PM(MPH) NW 11-15 G25 W 4-8 G20 NW 9-13 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 48 62
MIXING HGT(FT-AGL) 5870 350 8330
TRANSPORT WND (M/S) NW 12 W 6 NW 13
TRANSPORT WND (MPH) NW 28 W 13 NW 30
VENT RATE (M/S-M) 30950 230 40180
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. 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 IN THE LOWER
80S. SOUTH WINDS 15 TO 20 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.
ILZ095>098-182100-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-29) 35 (-7) 64
RH % (24H TREND) 33 (-18) 81 (-17) 34
WIND 20FT AM(MPH) NW 10-14 G24 W 5-9 G20
WIND 20FT PM(MPH) NW 10-14 G24 W 5-9 G20 NW 9-13 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
1700FT MIXING TEMP 48 61
MIXING HGT(FT-AGL) 5370 330 8170
TRANSPORT WND (M/S) NW 12 W 5 W 13
TRANSPORT WND (MPH) NW 28 W 12 W 29
VENT RATE (M/S-M) 24350 220 38740
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. MINIMUM RH 40 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 50S. HIGHS IN
THE UPPER 70S. 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
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. LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
ILZ058>060-099-182100-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
1159 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY CLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-29) 36 (-9) 64
RH % (24H TREND) 39 (-14) 83 (-16) 30
WIND 20FT AM(MPH) NW 8-12 G26 W 5-9 G20
WIND 20FT PM(MPH) NW 12-16 G24 NW 6-10 G21 W 12-16 G24
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 0
1700FT MIXING TEMP 49 61
MIXING HGT(FT-AGL) 4750 340 8720
TRANSPORT WND (M/S) NW 12 W 5 W 13
TRANSPORT WND (MPH) NW 26 W 10 W 30
VENT RATE (M/S-M) 18700 150 40760
EXCELLENT POOR EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. MINIMUM RH 36 PERCENT. SOUTHEAST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 40S. HIGHS IN
THE UPPER 70S. MINIMUM RH 36 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 MID 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
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