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

43°F

6°C

Humidity 87%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 3 Mar 6:55 pm CST
Extended Forecast for

Monroe IA

  • Tonight

    Tonight: A slight chance of drizzle after 4am. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle

  • Wednesday

    Wednesday: A chance of drizzle, mainly after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 49. East northeast wind 3 to 7 mph.

    High: 49 °F

    Chance
    Drizzle and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Patchy dense fog after 8pm. Otherwise, cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the morning.

    High: 61 °F

    Slight Chance
    Showers and
    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 47. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A slight chance of drizzle after 4am. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.
Wednesday
A chance of drizzle, mainly after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 49. East northeast wind 3 to 7 mph.
Wednesday Night
Showers likely, mainly after midnight. Patchy dense fog after 8pm. Otherwise, cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of showers before noon. Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 47. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 66. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monroe IA
 41.51°N 93.1°W
Last Update:
5:26 pm CST Mar 3, 2026
Forecast Valid:
7pm CST Mar 3, 2026-6pm CDT Mar 10, 2026
 
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