Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

12°F

-11°C

Humidity 52%
Wind Speed SW 3 mph
Barometer 30.44 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 20 Jan 12:15 am CST
Extended Forecast for

Wood River IL

  • Overnight

    Overnight: Mostly clear, with a low around 12. Southwest wind 3 to 5 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light south wind increasing to 6 to 11 mph in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 30. South wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 44. West wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 44 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Southwest wind 6 to 8 mph becoming northwest after midnight.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 17.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 12. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 37. Light south wind increasing to 6 to 11 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 30. South wind 10 to 13 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 44. West wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 24. Southwest wind 6 to 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly cloudy and cold, with a high near 17.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Partly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Wood River IL
 38.86°N 90.08°W (Elev. 436 ft)
10:51 pm CST Jan 19, 2026
12am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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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