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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast and Breezy

45°F

7°C

Humidity 46%
Wind Speed NW 22 G 39 mph
Barometer 30.13 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 10 Jan 7:50 pm CST
Extended Forecast for

Mount Olive IL

  • Tonight

    Tonight: Rain likely before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Rain Likely
    then Chance
    Flurries and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 36. Northwest wind 8 to 18 mph, with gusts as high as 33 mph.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 26. Southwest wind 5 to 8 mph.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 47. Southwest wind 7 to 10 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southwest wind 6 to 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Sunday
Sunny, with a high near 36. Northwest wind 8 to 18 mph, with gusts as high as 33 mph.
Sunday Night
Clear, with a low around 26. Southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 47. Southwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 34. Southwest wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A slight chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Olive IL
 39.07°N 89.73°W (Elev. 669 ft)
Last Update:
8:16 pm CST Jan 10, 2026
Forecast Valid:
8pm CST Jan 10, 2026-6pm CST Jan 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