Hazardous Weather Conditions
Current conditions at
Spencer Municipal Airport (KSPW)
Lat: 43.17°NLon: 95.21°WElev: 1332ft.
Fair
76°F
24°C
| Humidity | 94% |
| Wind Speed | S 9 mph |
| Barometer | 29.67 in (1003.7 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 76°F (24°C) |
| Last update | 29 Jun 3:53 am CDT |
Extended Forecast for
5 Miles NE Marathon IA
Extreme Heat Warning June 29, 04:44am until June 30, 09:00pm
NOW until 9:00pm Tue
Extreme Heat Warning
Today
High: 95 °F
Sunny and
WindyTonight
Low: 72 °F
Chance
T-storms and
WindyTuesday
High: 93 °F
Mostly Sunny
Tuesday Night
Low: 71 °F
Slight Chance
T-storms then
Chance
ShowersWednesday
High: 92 °F
Chance
Showers and
WindyWednesday Night
Low: 72 °F
Breezy.
Chance
Showers then
Chance
T-stormsThursday
High: 91 °F
Slight Chance
T-stormsThursday Night
Low: 71 °F
Showers
Likely and
Breezy
Detailed Forecast
Today
Sunny, with a high near 95. Heat index values as high as 106. Windy, with a south wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 72. Windy, with a south wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 93. South southwest wind 7 to 11 mph.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 71. South wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Windy, with a south southwest wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 72. Breezy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Breezy. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 89. Breezy.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. Breezy.
Independence Day
Sunny, with a high near 89.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles NE Marathon IA
42.92°N 94.91°W
42.92°N 94.91°W
4:13 am CDT Jun 29, 2026
4am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
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