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

Dangerously Hot Weekend - Be Prepared!

Heat Advisories and Warnings are in effect this weekend with hot and humid conditions expected. This heat will be dangerous - children, the elderly, and pets are especially susceptible. Be sure to check on them! Read More >

Hazardous Weather Conditions

Current conditions at

Charles City (KCCY)

Lat: 43.07°NLon: 92.62°WElev: 1125ft.

Fair

82°F

28°C

Humidity 79%
Wind Speed SW 16 G 22 mph
Barometer 29.69 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 9:35 am CDT
Extended Forecast for

Nashua IA

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 102. Breezy, with a south wind 16 to 24 mph, with gusts as high as 37 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 76. Breezy, with a south wind 16 to 21 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south wind 16 to 23 mph, with gusts as high as 36 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 74 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Slight Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 65. Northeast wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    T-storms
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Northeast wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 67. East wind around 7 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 83. South wind 7 to 10 mph. Chance of precipitation is 90%.

    High: 83 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 102. Breezy, with a south wind 16 to 24 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 76. Breezy, with a south wind 16 to 21 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south wind 16 to 23 mph, with gusts as high as 36 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 17 to 21 mph, with gusts as high as 31 mph.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 65. Northeast wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Northeast wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 67. East wind around 7 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 83. South wind 7 to 10 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 68. Southwest wind around 9 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Southwest wind 10 to 13 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 6 to 9 mph becoming north after midnight.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind around 8 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nashua IA
 42.94°N 92.51°W
Last Update:
8:28 am CDT Jun 21, 2025
Forecast Valid:
9am CDT Jun 21, 2025-6pm CDT Jun 27, 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