Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Fair
79°F
26°C
| Humidity | 37% |
| Wind Speed | W 7 mph |
| Barometer | 29.85 in |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 16 Apr 3:35 pm CDT |
Extended Forecast for
4 Miles W Donnellson IA
This Afternoon

High: 80 °F
Sunny
Tonight

Low: 58 °F
Mostly Clear
Friday
High: 83 °F
Mostly Sunny
then T-storms
LikelyFriday Night
Low: 39 °F
Heavy Rain
then Showers
LikelySaturday

High: 52 °F
Sunny
Saturday Night

Low: 34 °F
Mostly Clear
Sunday

High: 59 °F
Sunny
Sunday Night

Low: 38 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 80. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 58. South wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 39. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles W Donnellson IA
40.64°N 91.64°W (Elev. 650 ft)
40.64°N 91.64°W (Elev. 650 ft)
1:26 pm CDT Apr 16, 2026
3pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026



