Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Mostly Cloudy

81°F

27°C

Humidity 94%
Wind Speed S 7 mph
Barometer 29.81 in (1009.2 mb)
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index89°F (32°C)
Last update 27 Jul 7:56 am CDT
Extended Forecast for

Fulton IL

Extreme Heat Warning July 27, 08:23am until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 08:23am until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • Today

    High: 93 °F

    Slight Chance
    T-storms and
    Patchy Dense
    Fog

  • Tonight

    Tonight: Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north after midnight.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 2pm. Patchy dense fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 112. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 88. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 65.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Fulton IL
 41.88°N 90.17°W (Elev. 574 ft)
7:56 am CDT Jul 27, 2026
8am CDT Jul 27, 2026-6pm CDT Aug 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