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.

Fair

85°F

29°C

Humidity 59%
Wind Speed S 20 G 30 mph
Barometer 29.55 in (999.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 12:53 am CDT
Extended Forecast for

Spencer IA

Extreme Heat Warning June 21, 01:15am until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 01:15am until June 22, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 77 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 106. Windy, with a south southwest wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 98 °F

    Hot and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 102. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 96 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West wind around 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 106. Windy, with a south southwest wind 20 to 30 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 75. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 102. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West wind around 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spencer IA
 43.16°N 95.15°W (Elev. 1332 ft)
Last Update:
11:05 pm CDT Jun 20, 2025
Forecast Valid:
1am CDT Jun 21, 2025-6pm CDT Jun 27, 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