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

50°F

10°C

Humidity 42%
Wind Speed S 15 mph
Barometer 30.18 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Feb 10:55 am CST
Extended Forecast for

Griggsville IL

  • Today

    Today: Sunny, with a high near 59. South wind 6 to 9 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. South wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain likely, mainly after 2pm. Cloudy, with a high near 51. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. East wind around 6 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 58. North wind 3 to 6 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 59. South wind 6 to 9 mph.
Tonight
Increasing clouds, with a low around 36. South wind around 5 mph becoming calm in the evening.
Saturday
Rain likely, mainly after 2pm. Cloudy, with a high near 51. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. East wind around 6 mph. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 58. North wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 37.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 67.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42.
Thursday
A 20 percent chance of rain. Sunny, with a high near 60.
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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:
5:31 am CST Feb 13, 2026
Forecast Valid:
11am CST Feb 13, 2026-6pm CST Feb 19, 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