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

97°F

36°C

Humidity 56%
Wind Speed SW 7 mph
Barometer 29.86 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index115°F (46°C)
Last update 26 Jul 3:15 pm CDT
Extended Forecast for

4 Miles SE Columbia IA

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

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 111. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Patchy smoke between 10pm and 1am. Partly cloudy, with a low around 73. North northwest wind around 6 mph.

    Low: 73 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. East northeast wind 5 to 7 mph.

    High: 89 °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 90.

    High: 90 °F

    Sunny

  • Wednesday Night

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

    Low: 68 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 114. Southwest wind around 8 mph.
Tonight
A slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South southwest wind 7 to 11 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 111. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Patchy smoke between 10pm and 1am. Partly cloudy, with a low around 73. North northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 89. East northeast wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Columbia IA
 41.14°N 93.11°W
Last Update:
2:31 pm CDT Jul 26, 2026
Forecast Valid:
3pm 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