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.

Partly Cloudy

55°F

13°C

Humidity 81%
Wind Speed S 14 mph
Barometer 29.52 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Feb 3:15 am CST
Extended Forecast for

Griggsville IL

  • Overnight

    Overnight: Mostly clear, with a low around 53. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. West wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. South wind around 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 65. Southeast wind 7 to 15 mph, with gusts as high as 29 mph.

    High: 65 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. West wind 11 to 18 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 53. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 67. West wind 7 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 45. South wind around 6 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 65. Southeast wind 7 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 32. West wind 11 to 18 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 26.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 20.
Sunday
Sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 45.
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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:
3:06 am CST Feb 18, 2026
Forecast Valid:
3am CST Feb 18, 2026-6pm CST Feb 24, 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