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Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Overcast

72°F

22°C

Humidity 83%
Wind Speed SE 12 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 24 Jul 5:35 pm CDT
Extended Forecast for

4 Miles WNW Marysville IA

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

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 67. South wind 3 to 8 mph.

    Low: 67 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South southwest wind 3 to 5 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy through mid morning, then becoming sunny, with a high near 95. Heat index values as high as 107. South southwest wind 5 to 9 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of thunderstorms before 7am. Sunny, with a high near 95. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 67. South wind 3 to 8 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. South southwest wind 3 to 5 mph.
Sunday
Mostly cloudy through mid morning, then becoming sunny, with a high near 95. Heat index values as high as 107. South southwest wind 5 to 9 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of thunderstorms before 7am. Sunny, with a high near 95. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Marysville IA
 41.21°N 93.02°W
Last Update:
5:47 pm CDT Jul 24, 2026
Forecast Valid:
6pm CDT Jul 24, 2026-6pm CDT Jul 31, 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