Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

83°F

28°C

Humidity 52%
Wind Speed SW 10 mph
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 31 Aug 10:55 am CDT
Extended Forecast for

3 Miles WNW Putnam IL

  • Today

    Today: Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Southwest wind around 5 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 72. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 91. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Putnam IL
 41.2°N 89.44°W (Elev. 600 ft)
10:51 am CDT Aug 31, 2026
11am CDT Aug 31, 2026-6pm CDT Sep 6, 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