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.

Fair and Breezy

9°F

-13°C

Humidity 54%
Wind Speed NW 24 G 32 mph
Barometer 30.38 in
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 19 Jan 9:15 am CST
Extended Forecast for

Griggsville IL

Cold Weather Advisory January 19, 09:30am until January 19, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 19, 09:30am until January 19, 10:00am

    NOW until 10:00am Mon

    Cold Weather Advisory

  • M.L.King Day

    High: 17 °F

    Sunny and
    Blustery then
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 11. Southwest wind 3 to 6 mph.

    Low: 11 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. South wind 3 to 7 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. South wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 39. West wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny and cold, with a high near 17. Wind chill values as low as -10. Blustery, with a west wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Increasing clouds, with a low around 11. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 33. South wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 26. South wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 39. West wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly cloudy and cold, with a high near 18.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 10.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 3.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 22.
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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:
7:47 am CST Jan 19, 2026
Forecast Valid:
9am CST Jan 19, 2026-6pm CST Jan 25, 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