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.

Overcast

31°F

-1°C

Humidity 99%
Wind Speed W 17 mph
Barometer 29.80 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 16 Jan 8:35 pm CST
Extended Forecast for

Griggsville IL

  • Tonight

    Tonight: A slight chance of snow before 3am, then a chance of flurries after 3am. Mostly cloudy, with a low around 17. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 21. West wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 21 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 8. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 8 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 31. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 9. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 9 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 3am, then a chance of flurries after 3am. Mostly cloudy, with a low around 17. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 21. West wind 13 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 8. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 31. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 9. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
M.L.King Day
Sunny and cold, with a high near 18.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 20%.
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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:
7:57 pm CST Jan 16, 2026
Forecast Valid:
8pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation