Flood Watch FLOOD WATCH - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 03-Jul-2026 11:45am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Mostly sunny, Dry Mostly sunny, Dry
Currently: 80.5°F, Max: 80.5°F, Min: 65.2°F 80.5°F
Warmer 5.3°F than last hour.

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Feels like: 84.6°F

24-hr difference
-7.2°FColder 7.2°F than yesterday at this time.
  Today Yesterday
High: 80.5°F
11:43am
90.9°F
4:04pm
Low: 65.2°F
12:02am
65.6°F
11:59pm
 Wind from S S
3.5
Gust:
5 mph
2 Bft - Light Breeze
Today: 15 mph 12:09am
Gust Month: 42.6 mph July 2
Rain Today: 0.45 in
Rain Rate (/hr): 0 in
Rain Yesterday: 1.2 in
Storm Rain: 0.25 in
This Month: 1.65 in
Season Total: 21.68 in
2 rain days in July.
Tonight

Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 68. South southwest wind around 6 mph becoming west northwest after midnight.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
T-storms then
Showers
Likely
Humidity & Barometer Almanac Moon
Humidity: 79 % Decreased 6.0% since last hour.
Dew Point: 73.4°F Increased 3.0°F since last hour.
Barometer: 30.016 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 5:41am
Sunset: 8:51pm
Moonset: 9:05am
Moonrise: 10:52pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
88%
Illuminated
UV Index Solar Radiation
   5.9     Medium 
High: 6.8 @ 11:43am
828 W/m2 (87 %)
High: 830 @  10:56am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: A 40 percent chance of showers and thunderstorms before 4pm.  Partly sunny, with a high near 90. Southwest wind around 8 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms


Hi 90 °F
NWS forecast: A 40 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 90. Southwest wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 
Tonight

Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 68. South southwest wind around 6 mph becoming west northwest after midnight.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
T-storms then
Showers
Likely

Lo 68 °F
NWS forecast: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 68. South southwest wind around 6 mph becoming west northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.