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

86°F

30°C

Humidity 46%
Wind Speed SW 9 mph
Barometer 30.15 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 12:55 pm CDT
Extended Forecast for

Colfax IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South wind around 10 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 66. South wind around 8 mph.

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Windy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 88 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 64. Breezy, with a south wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Windy, with a south wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 86 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 10 mph.
Tonight
Clear, with a low around 66. South wind around 8 mph.
Saturday
Sunny, with a high near 88. Windy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Clear, with a low around 64. Breezy, with a south wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 86. Windy, with a south wind 14 to 21 mph, with gusts as high as 33 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Colfax IA
 41.67°N 93.25°W
Last Update:
11:53 am CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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