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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

39°F

4°C

Humidity 75%
Wind Speed NW 17 G 28 mph
Barometer 29.98 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 Feb 11:55 am CST
Extended Forecast for

Griggsville IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 19. North wind 5 to 11 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. South wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 19. North wind 5 to 11 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 35. Light and variable wind becoming southeast around 6 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 25. South wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 51. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 60.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.73°W (Elev. 653 ft)
Last Update:
10:41 am CST Feb 6, 2026
Forecast Valid:
12pm CST Feb 6, 2026-6pm CST Feb 12, 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