969
FNUS53 KLSX 131229
FWFLSX
FIRE WEATHER PLANNING FORECAST FOR EASTERN/CENTRAL MO AND SOUTHWEST IL
NATIONAL WEATHER SERVICE SAINT LOUIS MO
629 AM CST SAT DEC 13 2025
ANOTHER ROUND OF ACCUMULATING SNOW IS EXPECTED TODAY ACROSS
NORTHEAST MISSOURI INTO CENTRAL ILLINOIS. AN ARCTIC AIRMASS WILL
DROP INTO THE MISSISSIPPI VALLEY BEHIND THE SNOW TONIGHT CAUSING
TEMPERATURES TO PLUMMET. IT WILL REMAIN VERY COLD TONIGHT THROUGH
MONDAY MORNING, BUT SOUTHWEST WINDS ON MONDAY WILL WARM
TEMPERATURES RAPIDLY TO NEAR NORMAL. CONTINUING SOUTHERLY FLOW
WILL BRING TEMPERATURES WELL ABOVE NORMAL FOR TUESDAY AND
WEDNESDAY. THE NEXT SIGNIFICANT CHANCE FOR RAIN WILL BE ON
THURSDAY AS A COLD FRONT MOVES THROUGH THE REGION.
MOZ072-073-083-084-099-132200-
CRAWFORD MO-WASHINGTON MO-DENT MO-IRON MO-REYNOLDS MO-
INCLUDING THE CITIES OF POTOSI/SALEM RANGER DISTRICT AND SALEM
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY PCLDY MCLEAR
PRECIP TYPE SNOW/FZ RA NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (-3) 6 (-20) 22
RH % (24H TREND) 69 (-6) 81 (-18) 28
WIND 20FT AM(MPH) LGT/VAR N 6-10 G21
WIND 20FT PM(MPH) N 4-8 N 7-11 G20 N 4-8 G15
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 35 17
MIXING HGT(FT-AGL) 2050 1830 2550
TRANSPORT WND (M/S) N 6 N 8 N 7
TRANSPORT WND (MPH) N 14 N 18 N 15
VENT RATE (M/S-M) 5570 3070 8110
MARGINAL POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
CLEAR. LOWS AROUND 10. HIGHS IN THE LOWER 40S. MINIMUM
RH 23 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE MID 20S. HIGHS IN
THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. COOLER. LOWS IN THE UPPER 20S. HIGHS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ074-075-085-132200-
SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF FARMINGTON AND FREDERICKTOWN RANGER
DISTRICT
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY PCLDY MCLEAR
PRECIP TYPE SNOW/FZ RA NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (-5) 7 (-19) 20
RH % (24H TREND) 70 (-6) 81 (-18) 29
WIND 20FT AM(MPH) LGT/VAR N 7-11 G21
WIND 20FT PM(MPH) N 5-9 G15 N 8-12 G21 N 4-8 G16
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 34 16
MIXING HGT(FT-AGL) 2210 1770 2590
TRANSPORT WND (M/S) N 6 N 9 N 8
TRANSPORT WND (MPH) N 14 N 20 N 17
VENT RATE (M/S-M) 6310 3530 8110
FAIR POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
CLEAR. LOWS AROUND 8. HIGHS IN THE UPPER 30S. MINIMUM
RH 23 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE MID 20S. HIGHS
AROUND 50. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. COOLER. LOWS IN THE UPPER 20S. HIGHS IN
THE MID 40S. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ041-047>050-132200-
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF COLUMBIA, CEDAR CREEK RANGER DISTRICT,
JEFFERSON CITY, AND FULTON
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY MCLEAR MCLEAR
PRECIP TYPE SNOW/FZ RA NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 29 (-6) 5 (-18) 20
RH % (24H TREND) 64 (-13) 82 (-14) 33
WIND 20FT AM(MPH) NE 4-8 N 5-9 G18
WIND 20FT PM(MPH) N 6-10 N 8-12 G19 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 28 15
MIXING HGT(FT-AGL) 2020 1620 2440
TRANSPORT WND (M/S) N 4 N 8 N 3
TRANSPORT WND (MPH) N 9 N 17 N 7
VENT RATE (M/S-M) 5360 1210 6530
MARGINAL POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 11. HIGHS IN THE LOWER 40S.
MINIMUM RH 31 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE LOWER
50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 50S. MINIMUM RH 40 PERCENT. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ051-059-060-062-065-132200-
MONTGOMERY MO-GASCONADE MO-WARREN MO-FRANKLIN MO-JEFFERSON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY PCLDY MCLEAR
PRECIP TYPE SNOW/FZ RA NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (-5) 4 (-19) 19
RH % (24H TREND) 64 (-14) 83 (-16) 33
WIND 20FT AM(MPH) LGT/VAR N 6-10 G19
WIND 20FT PM(MPH) N 6-10 N 7-11 G20 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 28 15
MIXING HGT(FT-AGL) 2110 1810 2460
TRANSPORT WND (M/S) N 5 N 8 N 4
TRANSPORT WND (MPH) N 12 N 18 N 9
VENT RATE (M/S-M) 5420 2710 7420
MARGINAL POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
CLEAR. LOWS AROUND 9. HIGHS IN THE LOWER 40S. MINIMUM
RH 27 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE MID 20S. HIGHS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER
40S. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ061-063-064-132200-
SAINT CHARLES MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF SAINT CHARLES AND SAINT LOUIS
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY PCLDY MCLEAR
PRECIP TYPE SNOW NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 30 (-7) 4 (-18) 16
RH % (24H TREND) 66 (-10) 84 (-9) 38
WIND 20FT AM(MPH) N 4-8 NW 7-11 G20
WIND 20FT PM(MPH) N 6-10 N 8-12 G20 N 3-7
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
1700FT MIXING TEMP 25 15
MIXING HGT(FT-AGL) 2060 1820 2330
TRANSPORT WND (M/S) N 5 N 9 N 5
TRANSPORT WND (MPH) N 10 N 20 N 10
VENT RATE (M/S-M) 5380 4030 7110
MARGINAL POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 8. HIGHS IN THE LOWER 40S.
MINIMUM RH 27 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 20S. HIGHS IN
THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. COOLER. LOWS IN THE UPPER 20S. HIGHS IN
THE MID 40S. SOUTHEAST WINDS 5 TO 10 MPH.
ILZ064-065-069-070-074-079-100>102-132200-
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
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY PCLDY MCLEAR
PRECIP TYPE SNOW/FZ RA NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 32 (-5) 1 (-22) 16
RH % (24H TREND) 70 (-11) 91 (-7) 38
WIND 20FT AM(MPH) N 4-8 NW 9-13 G21
WIND 20FT PM(MPH) N 7-11 N 9-13 G21 N 5-9
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2
1700FT MIXING TEMP 26 15
MIXING HGT(FT-AGL) 1950 1520 2240
TRANSPORT WND (M/S) N 6 NW 10 N 6
TRANSPORT WND (MPH) N 13 NW 22 N 14
VENT RATE (M/S-M) 5710 1830 7990
MARGINAL POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 5. HIGHS IN THE UPPER 30S.
MINIMUM RH 29 PERCENT. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. NOT AS COOL. LOWS IN THE MID 20S. HIGHS
IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 50S. WEST WINDS 15 TO 20 MPH.
FRIDAY
PARTLY CLOUDY. COLDER. LOWS IN THE MID 20S. HIGHS IN
THE LOWER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
MOZ018-019-026-027-034>036-042-052-132200-
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
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY MCLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 23 (-11) 0 (-15) 14
RH % (24H TREND) 63 (-17) 88 (-10) 43
WIND 20FT AM(MPH) N 5-9 N 6-10 G20
WIND 20FT PM(MPH) N 6-10 G16 N 7-11 G21 LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 3
1700FT MIXING TEMP 19 16
MIXING HGT(FT-AGL) 1960 580 2070
TRANSPORT WND (M/S) N 6 NW 8 NW 3
TRANSPORT WND (MPH) N 13 NW 18 NW 6
VENT RATE (M/S-M) 5500 680 6080
MARGINAL POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 5. HIGHS IN THE UPPER 30S.
MINIMUM RH 40 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER
40S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
MID 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID
40S. SOUTHEAST WINDS 5 TO 10 MPH.
ILZ095>098-132200-
ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND PITTSFIELD
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY MCLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 20 (-12) -4 (-17) 12
RH % (24H TREND) 69 (-15) 95 (-2) 50
WIND 20FT AM(MPH) N 6-10 G16 NW 6-10 G21
WIND 20FT PM(MPH) N 6-10 G16 NW 7-11 G22 LGT/VAR
PRECIP AMOUNT 0.14 0.00 0.00
PRECIP DURATION 7
1700FT MIXING TEMP 19 17
MIXING HGT(FT-AGL) 1800 470 1700
TRANSPORT WND (M/S) N 7 N 7 NW 3
TRANSPORT WND (MPH) N 15 N 16 NW 7
VENT RATE (M/S-M) 5250 540 6150
MARGINAL POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 1. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID
40S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 40S. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
LOWER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
ILZ058>060-099-132200-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL-
INCLUDING THE CITY OF LITCHFIELD
629 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN
CLOUD COVER CLOUDY PCLDY MCLEAR
PRECIP TYPE SNOW NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 25 (-7) -2 (-18) 12
RH % (24H TREND) 73 (-10) 94 (-5) 44
WIND 20FT AM(MPH) N 6-10 G16 NW 8-12 G22
WIND 20FT PM(MPH) N 7-11 G17 NW 9-13 G22 NW 4-8
PRECIP AMOUNT 0.08 0.00 0.00
PRECIP DURATION 4
1700FT MIXING TEMP 21 16
MIXING HGT(FT-AGL) 1820 820 1890
TRANSPORT WND (M/S) N 8 N 8 N 6
TRANSPORT WND (MPH) N 18 N 18 N 14
VENT RATE (M/S-M) 5080 990 5720
MARGINAL POOR MARGINAL
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS NEAR ZERO. HIGHS IN THE MID 30S.
MINIMUM RH 38 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE MID
40S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND
50. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS AROUND 40.
HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S. HIGHS IN
THE LOWER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
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