Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 4:35 am CDT
Extended Forecast for

Griggsville IL

  • Today

    Today: Sunny, with a high near 83. North wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light north wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 5 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. North wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 61. Light north wind.
Friday
Sunny, with a high near 85. Calm wind.
Friday Night
Partly cloudy, with a low around 61. Light and variable wind.
Saturday
Mostly sunny, with a high near 86. South wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.73°W (Elev. 653 ft)
4:31 am CDT Aug 27, 2026
5am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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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