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

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fog/Mist

79°F

26°C

Humidity 100%
Wind Speed W 7 mph
Barometer 29.88 in
Dewpoint 79°F (26°C)
Visibility 6.00 mi
Heat Index84°F (29°C)
Last update 26 Jul 4:55 am CDT
Extended Forecast for

Sandyville IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Heat Advisory July 26, 05:07am until July 26, 12:00pm
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory July 26, 05:07am until July 26, 12:00pm

    NOW until 12:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 4am. Partly cloudy, with a low around 78. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 109. West southwest wind around 10 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. North wind 5 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. East northeast wind 5 to 7 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

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

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers between 7am and 8am. Partly sunny and hot, with a high near 98. Heat index values as high as 115. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms between 1am and 4am. Partly cloudy, with a low around 78. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 96. Heat index values as high as 109. West southwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 72. North wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 90. East northeast wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sandyville IA
 41.39°N 93.4°W
Last Update:
4:47 am CDT Jul 26, 2026
Forecast Valid:
5am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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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