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

Critical Fire Weather for a Large Part of the Central U.S.; Areas of Severe Thunderstorms

Gusty to high winds and low relative humidity will bring elevated to critical fire weather across large parts of the Great Plains and more localized parts of the Great Basin and central Rockies Thursday into Friday. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains Thursday into this weekend. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

49°F

9°C

Humidity 56%
Wind Speed Calm
Barometer 30.07 in (1018.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 May 12:54 am CDT
Extended Forecast for

2 Miles S Dewar IA

  • Overnight

    Overnight: Clear, with a low around 44. Calm wind becoming southeast around 5 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 78. Windy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 78 °F

    Increasing
    Clouds and
    Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 55. Breezy, with a south wind 13 to 17 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Breezy.
    Chance
    T-storms then
    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 86. South wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 57. South wind 6 to 11 mph becoming west southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Windy.

    High: 82 °F

    Chance
    Showers and
    Breezy then
    Chance
    T-storms and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Windy.

    Low: 63 °F

    Chance
    T-storms and
    Windy

Detailed Forecast

Overnight
Clear, with a low around 44. Calm wind becoming southeast around 5 mph.
Thursday
Increasing clouds, with a high near 78. Windy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 55. Breezy, with a south wind 13 to 17 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 86. South wind 10 to 13 mph, with gusts as high as 18 mph.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 57. South wind 6 to 11 mph becoming west southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Windy.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Windy.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Windy. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Windy. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 76. Breezy.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Dewar IA
 42.53°N 92.26°W
Last Update:
1:26 am CDT May 14, 2026
Forecast Valid:
1am CDT May 14, 2026-6pm CDT May 20, 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