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.

Mostly Cloudy

76°F

24°C

Humidity 58%
Wind Speed N 14 G 21 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Aug 2:53 pm CDT
Extended Forecast for

Greenville IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. North northwest wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light west southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming west northwest in the evening.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. West wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 56. Northwest wind around 5 mph becoming northeast in the evening. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. North northwest wind around 10 mph.
Tonight
Mostly clear, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Light west southwest wind becoming southwest 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming west northwest in the evening.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. West wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 56. Northwest wind around 5 mph becoming northeast in the evening. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 77.
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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:
2:08 pm CDT Aug 16, 2026
Forecast Valid:
3pm CDT Aug 16, 2026-6pm CDT Aug 22, 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