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Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

82°F

28°C

Humidity 89%
Wind Speed S 6 mph
Barometer 29.83 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 27 Jul 1:15 am CDT
Extended Forecast for

6 Miles NW Marysville IA

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: A 20 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 113. South southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 97 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Patchy smoke. Partly cloudy, with a low around 72. Northwest wind around 6 mph.

    Low: 72 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Partly sunny, with a high near 87. East northeast wind around 7 mph.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East northeast wind around 6 mph becoming calm in the evening.

    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

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 78. South southwest wind around 8 mph.
Monday
A 20 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 113. South southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Patchy smoke. Partly cloudy, with a low around 72. Northwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 87. East northeast wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 68. East northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. 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 69. 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.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Marysville IA
 41.23°N 93.02°W
Last Update:
12:46 am CDT Jul 27, 2026
Forecast Valid:
1am CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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