National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Spencer Municipal Airport (KSPW)

Lat: 43.17°NLon: 95.21°WElev: 1332ft.

A Few Clouds

73°F

23°C

Humidity 64%
Wind Speed NE 6 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 5:53 pm CDT
Extended Forecast for

Greenville IA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming south southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Partly sunny through mid morning, then becoming sunny, with a high near 84. West wind around 5 mph becoming north northwest in the afternoon.

    High: 84 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 60. North wind around 5 mph becoming west southwest after midnight.

    Low: 60 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 80. North wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming south southwest after midnight.
Thursday
Mostly sunny, with a high near 82. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.
Friday
Partly sunny through mid morning, then becoming sunny, with a high near 84. West wind around 5 mph becoming north northwest in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 60. North wind around 5 mph becoming west southwest after midnight.
Saturday
Sunny, with a high near 80. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Partly sunny, with a high near 77.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville IA
 43.03°N 95.15°W (Elev. 1414 ft)
Last Update:
5:33 pm CDT Aug 19, 2026
Forecast Valid:
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 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