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

82°F

28°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.85 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 27 Jul 12:55 am CDT
Extended Forecast for

Hamilton IL

Extreme Heat Warning July 27, 01:20am until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 01:20am until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny and hot, with a high near 96. Heat index values as high as 112. Southwest wind 5 to 15 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Patchy smoke after 1am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming north after midnight.

    Low: 76 °F

    Mostly Clear
    then Patchy
    Smoke

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Northeast wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °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: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 78. South wind around 5 mph.
Monday
Mostly sunny and hot, with a high near 96. Heat index values as high as 112. Southwest wind 5 to 15 mph.
Monday Night
Patchy smoke after 1am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 89. Northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 88.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton IL
 40.39°N 91.39°W (Elev. 574 ft)
8:22 pm CDT Jul 26, 2026
1am CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database