National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns West; Thunderstorms in the Upper Midwest

Dry and breezy conditions will enhance fire weather concerns across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this Friday afternoon into tonight. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 1.75 mi
Last update 11 Sep 3:55 am CDT
Extended Forecast for

Sawyerville IL

  • Today

    Today: A 20 percent chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming east around 5 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming west around 6 mph in the morning.

    High: 88 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming east around 5 mph in the morning.
Tonight
Partly cloudy, with a low around 65. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming west around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of showers. Mostly sunny, with a high near 85.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 64.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Sawyerville IL
 39.07°N 89.81°W (Elev. 600 ft)
Last Update:
10:01 pm CDT Sep 10, 2026
Forecast Valid:
4am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation