National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair with Haze

73°F

23°C

Humidity 38%
Wind Speed E 12 mph
Barometer 30.39 in
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Last update 1 Aug 12:35 pm CDT
Extended Forecast for

3 Miles WNW Melcher-Dallas IA

  • This Afternoon

    This Afternoon: Areas of smoke before 1pm, then areas of smoke after 3pm. Mostly sunny, with a steady temperature around 73. East northeast wind around 10 mph.

    High: 73 °F

    Areas Smoke

  • Tonight

    Tonight: Partly cloudy, with a low around 57. East northeast wind 3 to 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Areas of smoke after 9am. Mostly sunny, with a high near 76. East southeast wind 3 to 7 mph.

    High: 76 °F

    Areas Smoke

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Southeast wind 5 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Areas of smoke before 1pm, then areas of smoke after 3pm. Mostly sunny, with a steady temperature around 73. East northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 57. East northeast wind 3 to 6 mph.
Saturday
Areas of smoke after 9am. Mostly sunny, with a high near 76. East southeast wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 77. Southeast wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Melcher-Dallas IA
 41.25°N 93.28°W
Last Update:
12:22 pm CDT Aug 1, 2025
Forecast Valid:
12pm CDT Aug 1, 2025-6pm CDT Aug 7, 2025
 
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