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

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

14°F

-10°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 30.24 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 23 Feb 9:35 pm CST
Extended Forecast for

Colfax IA

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 19 by 5am. Wind chill values as low as zero. South wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 12 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Wind chill values as low as 5. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Northwest wind 6 to 8 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Increasing clouds, with a high near 34. Northwest wind around 6 mph becoming east northeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. East wind around 6 mph. New snow accumulation of around an inch possible.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 19 by 5am. Wind chill values as low as zero. South wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 38. Wind chill values as low as 5. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Northwest wind 6 to 8 mph.
Wednesday
A 30 percent chance of snow after noon. Increasing clouds, with a high near 34. Northwest wind around 6 mph becoming east northeast in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. East wind around 6 mph. New snow accumulation of around an inch possible.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Clear, with a low around 29.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colfax IA
 41.67°N 93.25°W
Last Update:
3:22 pm CST Feb 23, 2026
Forecast Valid:
9pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation