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

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

N/A

Humidity NA
Wind Speed W 8 G 15 mph
Barometer 29.77 in
Dewpoint N/A
Visibility 10.00 mi
Last update 27 Jul 10:55 am CDT
Extended Forecast for

Colfax IA

Extreme Heat Warning July 27, 11:13am until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 11:13am until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 72. Northwest wind around 7 mph.

    Low: 72 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Partly sunny, with a high near 87. East northeast wind around 6 mph.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light south southeast wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 118. West southwest wind 7 to 9 mph becoming northwest in the afternoon.
Tonight
Patchy smoke. Partly cloudy, with a low around 72. Northwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 87. East northeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89. Light south southeast wind.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 86.
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:
8:57 am CDT Jul 27, 2026
Forecast Valid:
11am CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
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