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 47%
Wind Speed Vrbl 6 mph
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 2:35 pm CDT
Extended Forecast for

Lambs Grove IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Northwest wind around 7 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 58. Light and variable wind becoming east southeast 5 to 7 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms before 5pm, then a chance of showers. High near 67. Breezy, with an east wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 55. Breezy, with a northeast wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Northeast wind around 7 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Northwest wind around 7 mph.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 58. Light and variable wind becoming east southeast 5 to 7 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers and thunderstorms before 5pm, then a chance of showers. High near 67. Breezy, with an east wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 55. Breezy, with a northeast wind 8 to 17 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 76. Northeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambs Grove IA
 41.71°N 93.07°W
Last Update:
2:44 pm CDT Jun 20, 2026
Forecast Valid:
2pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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