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

23°F

-5°C

Humidity 50%
Wind Speed SW 6 mph
Barometer 29.98 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 18 Jan 5:35 pm CST
Extended Forecast for

Griggsville IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of flurries. Cloudy, with a high near 28. Southwest wind around 11 mph, with gusts as high as 23 mph.

    High: 28 °F

    Chance
    Flurries

  • Tonight

    Tonight: A chance of flurries before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values as low as -10. Blustery, with a southwest wind 9 to 14 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 40 mph.

    Low: 6 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Blustery

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 17. Wind chill values as low as -10. Northwest wind 8 to 17 mph, with gusts as high as 30 mph.

    High: 17 °F

    Cold

  • Monday Night

    Monday Night: Clear during the early evening, then becoming mostly cloudy, with a low around 10. Southwest wind around 6 mph.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Southwest wind 5 to 7 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Cloudy, with a high near 28. Southwest wind around 11 mph, with gusts as high as 23 mph.
Tonight
A chance of flurries before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values as low as -10. Blustery, with a southwest wind 9 to 14 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 40 mph.
M.L.King Day
Sunny and cold, with a high near 17. Wind chill values as low as -10. Northwest wind 8 to 17 mph, with gusts as high as 30 mph.
Monday Night
Clear during the early evening, then becoming mostly cloudy, with a low around 10. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 32. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 18.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 9.
Saturday
A 30 percent chance of snow. Mostly cloudy and cold, with a high near 17.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 1.
Sunday
Partly sunny and cold, with a high near 15.
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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:
5:01 pm CST Jan 18, 2026
Forecast Valid:
5pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation