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.

Partly Cloudy

27°F

-3°C

Humidity 67%
Wind Speed S 9 mph
Barometer 29.64 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 16 Jan 3:35 am CST
Extended Forecast for

Griggsville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. Southwest wind around 9 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow before 3pm, then a chance of rain between 3pm and 5pm, then a chance of snow after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 41 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 22. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 22 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9. West wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 8 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Monday Night

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

    Low: 9 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. Southwest wind around 9 mph.
Friday
A slight chance of snow before 3pm, then a chance of rain between 3pm and 5pm, then a chance of snow after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of snow, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 22. West wind 11 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 9. West wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 8.
M.L.King Day
Sunny and cold, with a high near 19.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 37.
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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:
3:16 am CST Jan 16, 2026
Forecast Valid:
3am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation