647
FNUS53 KLSX 210654
FWFLSX

Fire Weather Planning Forecast for Eastern/Central MO and Southwest IL
National Weather Service Saint Louis MO
153 AM CDT Thu May 21 2026

Cooler weather is expected through Friday before temperatures
begin to warm back up above normal over the weekend. Showers and
a few thunderstorms will move back into the area tonight and
Friday, with additional chances over the weekend into next week.
Minimum afternoon relative humidity values will stay above
50 percent over the next 7 days.


MOZ072-073-083-084-099-212100-
Crawford MO-Washington MO-Dent MO-Iron MO-Reynolds MO-
Including the cities of Potosi/Salem Ranger District and Salem
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           None         None         Tstms
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            20
Temp (24h trend)      76 (+10)     56 (+3)      72
RH % (24h trend)      56 (-13)     100 (+4)     81
Wind 20ft AM(mph)     NE 3-7                    lgt/var
Wind 20ft PM(mph)     NE 3-7       NE 4-8       lgt/var
Precip Amount         0.00         0.00         0.27
Precip Duration                                 6
1700ft mixing temp    72                        67
Mixing Hgt(ft-agl)    3780         580          1910
Transport Wnd (m/s)   E  4         E  4         N  4
Transport Wnd (mph)   E  8         E  8         N  9
Vent Rate (m/s-m)     6150         430          3610
                      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 lower 80s. West winds around
5 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs around 80. Southeast
winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. East winds around 5 mph.
.TUESDAY...Mostly cloudy. Showers likely and a chance of
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.

$$

MOZ074-075-085-212100-
Saint Francois MO-Sainte Genevieve MO-Madison MO-
Including the cities of Farmington and Fredericktown Ranger
District
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           None         None         Tstms
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            50
Temp (24h trend)      74 (+7)      55 (+2)      71
RH % (24h trend)      59 (-9)      100 (+6)     79
Wind 20ft AM(mph)     NE 3-7                    lgt/var
Wind 20ft PM(mph)     NE 4-8       NE 4-8       lgt/var
Precip Amount         0.00         0.00         0.37
Precip Duration                                 8
1700ft mixing temp    67                        68
Mixing Hgt(ft-agl)    3160         650          1970
Transport Wnd (m/s)   NE  4        E  4         E  4
Transport Wnd (mph)   NE  9        E  9         E  8
Vent Rate (m/s-m)     5320         520          2720
                      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. West winds around
5 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 60. Highs in the lower 80s. South
winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. East winds around 5 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
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 around 5 mph.

$$

MOZ041-047>050-212100-
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-
Including the cities of Columbia, Cedar Creek Ranger District,
Jefferson City, and Fulton
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           None         None         Showers
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            0
Temp (24h trend)      73 (+9)      53 (+2)      70
RH % (24h trend)      58 (-3)      99 (+8)      72
Wind 20ft AM(mph)     E 4-8 G17                 E 4-8 G15
Wind 20ft PM(mph)     E 5-9        E 6-10 G17   E 4-8 G15
Precip Amount         0.00         0.00         0.16
Precip Duration                                 3
1700ft mixing temp    64                        65
Mixing Hgt(ft-agl)    3680         440          1830
Transport Wnd (m/s)   E  5         E  5         E  6
Transport Wnd (mph)   E 12         E 10         E 13
Vent Rate (m/s-m)     6980         490          4250
                      Fair         Poor         Poor

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs around 80. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Lows in the
upper 50s. Highs around 80. Northeast winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the lower 80s. 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...Partly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the mid 80s.
Southeast winds 5 to 10 mph.

$$

MOZ051-059-060-062-065-212100-
Montgomery MO-Gasconade MO-Warren MO-Franklin MO-Jefferson MO-
Including the cities of Washington, Union, and Sullivan
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           None         None         Tstms
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            20
Temp (24h trend)      73 (+8)      52 (+1)      69
RH % (24h trend)      58 (-3)      100 (+11)    77
Wind 20ft AM(mph)     NE 3-7 G15                E 3-7
Wind 20ft PM(mph)     NE 4-8       E 4-8 G16    lgt/var
Precip Amount         0.00         0.00         0.20
Precip Duration                                 5
1700ft mixing temp    67                        67
Mixing Hgt(ft-agl)    3840         450          1960
Transport Wnd (m/s)   E  5         E  5         E  5
Transport Wnd (mph)   E 10         E 10         E 12
Vent Rate (m/s-m)     7230         490          3920
                      Fair         Poor         Poor

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 80s. West winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs around 80. Northeast
winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the lower 80s. East winds around
5 mph.
.TUESDAY...Mostly cloudy. Showers likely and a chance of
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 lower 60s. Highs in the mid 80s. South
winds 5 to 10 mph.

$$

MOZ061-063-064-212100-
Saint Charles MO-Saint Louis MO-Saint Louis City MO-
Including the cities of Saint Charles and Saint Louis
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           None         None         Tstms
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            20
Temp (24h trend)      72 (+6)      56 (+2)      70
RH % (24h trend)      55 (-6)      95 (+14)     75
Wind 20ft AM(mph)     NE 3-7 G16                NE 4-8
Wind 20ft PM(mph)     NE 5-9       NE 4-8       E 3-7
Precip Amount         0.00         0.00         0.22
Precip Duration                                 5
1700ft mixing temp    67                        68
Mixing Hgt(ft-agl)    3640         450          1940
Transport Wnd (m/s)   E  5         E  4         E  6
Transport Wnd (mph)   E 10         E  9         E 13
Vent Rate (m/s-m)     6280         490          4020
                      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 lower 80s. West winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 60. Highs in the lower 80s. Northeast
winds around 5 mph.
.MONDAY...Mostly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the mid 80s.
Southeast winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the upper 80s.
Southeast winds 5 to 10 mph.

$$

ILZ064-065-069-070-074-079-100>102-212100-
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
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           None         None         Tstms
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            20
Temp (24h trend)      71 (+4)      55 (+2)      71
RH % (24h trend)      59 (-8)      97 (+8)      75
Wind 20ft AM(mph)     NE 5-9 G18                NE 5-9 G15
Wind 20ft PM(mph)     NE 5-9       NE 4-8 G17   E 4-8
Precip Amount         0.00         0.00         0.27
Precip Duration                                 6
1700ft mixing temp    65                        70
Mixing Hgt(ft-agl)    2710         440          1640
Transport Wnd (m/s)   E  6         E  6         NE  5
Transport Wnd (mph)   E 13         E 13         NE 12
Vent Rate (m/s-m)     6110         490          4410
                      Fair         Poor         Poor

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. Showers likely. Lows in the upper 50s.
Highs around 80. West winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Highs around 80. Southeast
winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. East winds around
5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 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.

$$

MOZ018-019-026-027-034>036-042-052-212100-
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
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           None         None         Showers
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            0
Temp (24h trend)      69 (+4)      53 (+3)      67
RH % (24h trend)      57 (+1)      93 (+11)     71
Wind 20ft AM(mph)     E 4-8 G19                 E 5-9 G16
Wind 20ft PM(mph)     E 5-9        E 5-9 G17    E 5-9 G17
Precip Amount         0.00         0.00         0.12
Precip Duration                                 3
1700ft mixing temp    63                        64
Mixing Hgt(ft-agl)    4090         450          2000
Transport Wnd (m/s)   E  6         E  5         E  6
Transport Wnd (mph)   E 13         E 12         E 14
Vent Rate (m/s-m)     10030        560          4810
                      Good         Poor         Marginal

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 70s. West winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. Lows in the upper 50s. Highs in the
upper 70s. North winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. 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 lower 60s. Highs in the mid 80s.
Southeast winds 5 to 10 mph.

$$

ILZ095>098-212100-
Adams IL-Brown IL-Pike IL-Calhoun IL-
Including the cities of Quincy, Mount Sterling, and Pittsfield
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           None         None         Showers
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            0
Temp (24h trend)      70 (+3)      53 (+4)      68
RH % (24h trend)      52 (-1)      88 (+7)      70
Wind 20ft AM(mph)     E 5-9 G19                 E 6-10 G17
Wind 20ft PM(mph)     E 6-10       E 5-9 G18    E 5-9 G16
Precip Amount         0.00         0.00         0.14
Precip Duration                                 4
1700ft mixing temp    65                        64
Mixing Hgt(ft-agl)    4440         450          2000
Transport Wnd (m/s)   E  6         E  5         E  7
Transport Wnd (mph)   E 13         E 12         E 15
Vent Rate (m/s-m)     10900        560          5160
                      Good         Poor         Marginal

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 70s. West winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs around 80. North winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the upper 50s. 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. East 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>060-099-212100-
Greene IL-Macoupin IL-Montgomery IL-Jersey IL-
Including the city of Litchfield
153 AM CDT Thu May 21 2026

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           None         None         Tstms
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            20
Temp (24h trend)      69 (+2)      51 (+2)      68
RH % (24h trend)      54 (-3)      91 (+11)     71
Wind 20ft AM(mph)     NE 6-10 G18               E 6-10 G16
Wind 20ft PM(mph)     E 7-11       E 5-9 G17    E 6-10 G15
Precip Amount         0.00         0.00         0.19
Precip Duration                                 5
1700ft mixing temp    64                        67
Mixing Hgt(ft-agl)    3650         450          2010
Transport Wnd (m/s)   E  6         E  5         E  7
Transport Wnd (mph)   E 14         E 12         E 15
Vent Rate (m/s-m)     9070         610          4780
                      Good         Poor         Marginal

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 70s. West 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.
East winds around 5 mph.
.MONDAY...Mostly cloudy. Lows in the upper 50s. 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 lower 60s. Highs in the mid 80s.
Southeast winds 5 to 10 mph.

$$