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

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

77°F

25°C

Humidity 66%
Wind Speed N 7 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Jun 9:54 am CDT
Extended Forecast for

Allison IA

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 80. Northwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 63. North northeast wind 5 to 7 mph becoming east southeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 77. Northeast wind 7 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West northwest wind 6 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West wind 6 to 10 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Breezy.

    High: 90 °F

    Slight Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. Breezy.

    Low: 75 °F

    Slight Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 93. Breezy.

    High: 93 °F

    Sunny and
    Breezy

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 80. Northwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 63. North northeast wind 5 to 7 mph becoming east southeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 77. Northeast wind 7 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 58. West northwest wind 6 to 9 mph.
Juneteenth
Sunny, with a high near 86. West wind 6 to 10 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Breezy.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. Breezy.
Saturday
Sunny, with a high near 93. Breezy.
Saturday Night
Mostly clear, with a low around 74. Breezy.
Sunday
Sunny, with a high near 93. Windy.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Breezy.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 89. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Allison IA
 42.73°N 92.79°W
Last Update:
9:08 am CDT Jun 17, 2025
Forecast Valid:
10am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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