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

3°F

-16°C

Humidity 85%
Wind Speed NW 8 mph
Barometer 30.63 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 23 Feb 7:55 am CST
Extended Forecast for

4 Miles SW Lambs Grove IA

  • Today

    Today: Sunny, with a high near 21. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a temperature falling to near 11 by 10pm, then rising to around 19 during the remainder of the night. Wind chill values as low as zero. Light south southeast wind increasing to 6 to 11 mph in the evening.

    Low: 11 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. Wind chill values as low as 10. South wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Northwest wind 6 to 9 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 34. Northwest wind around 6 mph becoming east in the afternoon. Little or no snow accumulation expected.

    High: 34 °F

    Sunny then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 21. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a temperature falling to near 11 by 10pm, then rising to around 19 during the remainder of the night. Wind chill values as low as zero. Light south southeast wind increasing to 6 to 11 mph in the evening.
Tuesday
Mostly cloudy, with a high near 41. Wind chill values as low as 10. South wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Northwest wind 6 to 9 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 34. Northwest wind around 6 mph becoming east in the afternoon. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 27.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Lambs Grove IA
 41.67°N 93.13°W
Last Update:
6:36 am CST Feb 23, 2026
Forecast Valid:
8am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation