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

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

18°F

-8°C

Humidity 58%
Wind Speed NE 5 mph
Barometer 30.32 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 29 Jan 3:55 pm CST
Extended Forecast for

Griggsville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of snow before 5pm. Cloudy and cold, with a high near 20. North wind around 5 mph.

    High: 20 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds and cold, with a high near 16. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -10. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.

    Low: 2 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny and cold, with a high near 20. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 20 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow before 5pm. Cloudy and cold, with a high near 20. North wind around 5 mph.
Tonight
Mostly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.
Friday
Increasing clouds and cold, with a high near 16. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -10. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Saturday
Sunny and cold, with a high near 20. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 2.
Sunday
Partly sunny, with a high near 27.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 32.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.73°W (Elev. 653 ft)
Last Update:
3:16 pm CST Jan 29, 2026
Forecast Valid:
4pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation