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

Keokuk Municipal Airport (KEOK)

Lat: 40.46°NLon: 91.43°WElev: 676ft.

Fair

81°F

27°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.82 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 27 Jul 3:35 am CDT
Extended Forecast for

Hamilton IL

Extreme Heat Warning July 27, 03:56am until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 03:56am until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 113. Southwest wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Patchy smoke after 1am. Mostly clear, with a low around 75. West wind around 5 mph becoming north after midnight.

    Low: 75 °F

    Mostly Clear
    then Patchy
    Smoke

  • Tuesday

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

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 113. Southwest wind 5 to 10 mph.
Monday Night
Patchy smoke after 1am. Mostly clear, with a low around 75. West wind around 5 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 88. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Friday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton IL
 40.39°N 91.39°W (Elev. 574 ft)
3:41 am CDT Jul 27, 2026
3am 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