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

77°F

25°C

Humidity 69%
Wind Speed SE 12 mph
Barometer 30.20 in
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 31 Aug 1:55 pm CDT
Extended Forecast for

Monroe IA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Cloudy, with a high near 76. Southeast wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 60. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Heavy Rain
    then Chance
    Showers

  • Labor Day

    Labor Day: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Cloudy, with a high near 76. Southeast wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 60. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 77. Light and variable wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 73.
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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:
12:21 pm CDT Aug 31, 2025
Forecast Valid:
2pm CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
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