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.

A Few Clouds

86°F

30°C

Humidity 75%
Wind Speed S 10 mph
Barometer 29.92 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 25 Jul 5:15 pm CDT
Extended Forecast for

5 Miles NW Melcher-Dallas 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

  • Tonight

    Tonight: Increasing clouds, with a low around 74. Calm wind becoming south around 5 mph in the evening.

    Low: 74 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 97. Heat index values as high as 112. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 97 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 96. Heat index values as high as 109. South southwest wind 9 to 11 mph becoming west in the morning. Winds could gust as high as 18 mph.

    High: 96 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. North wind 6 to 9 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °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 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 74. Calm wind becoming south around 5 mph in the evening.
Sunday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 97. Heat index values as high as 112. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 96. Heat index values as high as 109. South southwest wind 9 to 11 mph becoming west in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 72. North wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Melcher-Dallas IA
 41.28°N 93.31°W
Last Update:
4:06 pm CDT Jul 25, 2026
Forecast Valid:
5pm CDT Jul 25, 2026-6pm CDT Aug 1, 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