Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Light Rain

66°F

19°C

Humidity 88%
Wind Speed NW 12 mph
Barometer 29.82 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 May 4:15 am CDT
Extended Forecast for

4 Miles SSW Danville IA

  • Overnight

    Overnight: Showers and thunderstorms likely.  Mostly cloudy, with a steady temperature around 73. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Monday

    Monday: Occasional showers and thunderstorms, mainly before 1pm.  High near 81. South wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am.  Low around 66. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 74 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 73. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Occasional showers and thunderstorms, mainly before 1pm. High near 81. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Danville IA
 40.81°N 91.35°W (Elev. 702 ft)
4:06 am CDT May 18, 2026
4am CDT May 18, 2026-6pm CDT May 24, 2026
 
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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