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.

Overcast

9°F

-13°C

Humidity 78%
Wind Speed NW 18 G 28 mph
Barometer 30.49 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 22 Feb 5:55 am CST
Extended Forecast for

Monroe IA

  • Today

    Today: Mostly sunny, with a high near 21. Wind chill values as low as -10. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 21 °F

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 4. Wind chill values as low as -10. North northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 20. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a temperature falling to near 13 by 9pm, then rising to around 20 during the remainder of the night. Wind chill values as low as 5. Light south wind increasing to 5 to 10 mph in the evening.

    Low: 13 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 21. Wind chill values as low as -10. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 4. Wind chill values as low as -10. North northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 20. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a temperature falling to near 13 by 9pm, then rising to around 20 during the remainder of the night. Wind chill values as low as 5. Light south wind increasing to 5 to 10 mph in the evening.
Tuesday
Mostly cloudy, with a high near 44. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 39.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monroe IA
 41.51°N 93.1°W
Last Update:
3:16 am CST Feb 22, 2026
Forecast Valid:
6am CST Feb 22, 2026-6pm CST Feb 28, 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