National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

81°F

27°C

Humidity 54%
Wind Speed S 5 mph
Barometer 30.09 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 28 Aug 6:15 pm CDT
Extended Forecast for

Hamilton IA

  • Tonight

    Tonight: Increasing clouds, with a low around 68. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 68 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 86. Breezy, with a south wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 86 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 91. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 68. Calm wind becoming south 5 to 8 mph in the evening.
Saturday
Partly sunny, with a high near 86. Breezy, with a south wind 11 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 75. South wind around 14 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 91. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind around 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton IA
 41.16°N 92.91°W
Last Update:
5:47 pm CDT Aug 28, 2026
Forecast Valid:
6pm CDT Aug 28, 2026-6pm CDT Sep 4, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation