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.

Fair

16°F

-9°C

Humidity 65%
Wind Speed NW 5 mph
Barometer 30.11 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 15 Jan 8:55 am CST
Extended Forecast for

Griggsville IL

  • Today

    Today: Increasing clouds, with a high near 32. Northwest wind 5 to 9 mph becoming south in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow likely before midnight, then scattered flurries after 4am. Mostly cloudy, with a low around 28. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Scattered snow showers. Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 17 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 21. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 21 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 20.

    High: 20 °F

    Cold

Detailed Forecast

Today
Increasing clouds, with a high near 32. Northwest wind 5 to 9 mph becoming south in the afternoon.
Tonight
Snow likely before midnight, then scattered flurries after 4am. Mostly cloudy, with a low around 28. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 41. West wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 21. West wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Mostly sunny and cold, with a high near 20.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 40.
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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:
6:21 am CST Jan 15, 2026
Forecast Valid:
9am CST Jan 15, 2026-6pm CST Jan 21, 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