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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

A Few Clouds

73°F

23°C

Humidity 74%
Wind Speed SE 10 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Sep 11:55 pm CDT
Extended Forecast for

Montrose IA

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 85. South wind 5 to 10 mph becoming north in the afternoon.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 2am. Low around 64. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. East wind around 5 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 85. South wind 5 to 10 mph becoming north in the afternoon.
Tuesday Night
Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 2am. Low around 64. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm, mainly before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. East wind around 5 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 71.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montrose IA
 40.52°N 91.42°W (Elev. 699 ft)
Last Update:
11:36 pm CDT Sep 14, 2026
Forecast Valid:
12am CDT Sep 15, 2026-6pm CDT Sep 21, 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