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

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Forest City Municipal Airport (KFXY)

Lat: 43.24°NLon: 93.62°WElev: 1230ft.

Fair

79°F

26°C

Humidity 54%
Wind Speed S 12 G 16 mph
Barometer 30.01 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 6:15 pm CDT
Extended Forecast for

Crystal Lake IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 1am. Partly cloudy, with a low around 63. South southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 82. Southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. North northwest wind 3 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and 1am. Partly cloudy, with a low around 63. South southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 82. Southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 60. North northwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 78. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IA
 43.22°N 93.78°W
Last Update:
5:46 pm CDT Aug 20, 2026
Forecast Valid:
6pm CDT Aug 20, 2026-6pm CDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation