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.

Fair

84°F

29°C

Humidity 79%
Wind Speed SW 5 mph
Barometer 29.90 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 26 Jul 9:55 am CDT
Extended Forecast for

4 Miles WSW Marysville IA

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

  • Today

    Today: Mostly sunny and hot, with a high near 98. Heat index values as high as 113. West southwest wind 7 to 9 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 2am and 4am. Partly cloudy, with a low around 78. South southwest wind 8 to 10 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 and hot, with a high near 98. Heat index values as high as 110. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. West wind around 6 mph becoming light and variable after midnight.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Northeast wind 3 to 7 mph.

    High: 91 °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 92.

    High: 92 °F

    Sunny

  • Wednesday Night

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

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 98. Heat index values as high as 113. West southwest wind 7 to 9 mph.
Tonight
A slight chance of showers and thunderstorms between 2am and 4am. Partly cloudy, with a low around 78. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 73. West wind around 6 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 91. Northeast wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 90.
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:
4 Miles WSW Marysville IA
 41.16°N 93.02°W
Last Update:
6:31 am CDT Jul 26, 2026
Forecast Valid:
10am 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