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

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

77°F

25°C

Humidity 69%
Wind Speed SE 10 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Aug 8:15 pm CDT
Extended Forecast for

Montrose IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 11pm. Partly cloudy, with a low around 71. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 96. Heat index values as high as 102. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and 11pm. Partly cloudy, with a low around 71. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 96. Heat index values as high as 102. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montrose IA
 40.52°N 91.42°W (Elev. 699 ft)
Last Update:
8:21 pm CDT Aug 29, 2026
Forecast Valid:
8pm CDT Aug 29, 2026-6pm CDT Sep 5, 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