Heat Advisory HEAT ADVISORY - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 23-Jun-2025 7:10am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Sunny, Dry Sunny, Dry
Currently: 75.6°F, Max: 77.7°F, Min: 73.7°F 75.6°F
Warmer 1.7°F than last hour.

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Feels like: 76°F

24-hr difference
-1.2°FColder 1.2°F than yesterday at this time.
  Today Yesterday
High: 77.7°F
12:00am
89.8°F
4:07pm
Low: 73.7°F
6:07am
75.2°F
5:26am
 Wind from S S
7.8
Gust:
9 mph
2 Bft - Gentle Breeze
Today: 21 mph 1:37am
Gust Month: 45.0 mph June 20
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 4.01 in
Season Total: 13.25 in
6 rain days in June.
Tonight

Tonight: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  Low around 69. West wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

Humidity & Barometer Almanac Moon
Humidity: 83 % Decreased 1.0% since last hour.
Dew Point: 70.1°F Increased 1.4°F since last hour.
Barometer: 29.994 inHg Rising 0.02  inHg/hr
Baro Trend: Rising slowly
Sunrise: 5:37am
Sunset: 8:51pm
Moonrise: 3:26am
Moonset: 6:05pm
Waning Crescent
Waning Crescent, Moon at 27 days in cycle
5%
Illuminated
UV Index Solar Radiation
   0.6     Low 
High: 0.6 @ 7:01am
160 W/m2 (84 %)
High: 160 @  7:09am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: A 40 percent chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall.  Increasing clouds, with a high near 92. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 28 mph.  New rainfall amounts between three quarters and one inch possible.
Breezy. Sunny
then Heavy
Rain

Hi 92 °F
NWS forecast: A 40 percent chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 92. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 28 mph. New rainfall amounts between three quarters and one inch possible.
 
Tonight

Tonight: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  Low around 69. West wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain


Lo 69 °F
NWS forecast: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 69. West wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.