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Grundy Co
 Details for Grundy Co Severe Thunderstorm Watch
Severe Thunderstorm Watch SEVERE THUNDERSTORM WATCH - Grundy Co

NWS Central Great Lakes Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 03-Jul-2026 12:05pm - next update at 12:10pm  
Summary / Temperature Wind Rain Outlook
Cloudy, Dry Cloudy, Dry
Currently: 90.5°F, Max: 92.6°F, Min: 73.4°F 90.5°F
Colder 0.3°F than last hour.

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Feels like: 104°F

24-hr difference
-1.4°FColder 1.4°F than yesterday at this time.
  Today Yesterday
High: 92.6°F
11:24am 		96.7°F
3:27pm
Low: 73.4°F
7:00am 		71.6°F
5:02am
Wind from SW SW
2
Gust:
 3 mph
1 Bft - Light Air
Today: 8.1 mph 9:34am
Gust Month: 15.0 mph July 3
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.069 in
Storm Rain: 0.07 in
This Month: 0.069 in
Season Total: 24.667 in
1 rain day in July.
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 63 % Increased 2.0% since last hour.
Dew Point: 76.2°F Increased 0.7°F since last hour.
Barometer: 29.98 inHg Falling 0.03 inHg/hr
Baro Trend: Falling
Sunrise: 5:25am
Sunset: 8:29pm
Moonset: 8:47am
Moonrise: 10:32pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
88%
Illuminated
UV Index Solar Radiation
   5.6     Medium 
High: 7.7 @ 11:41am
264 W/m2 (28 %)
High: 998 @  11:24am
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 91 °F		 NWS forecast: A chance of showers and thunderstorms. Mostly sunny. High near 91, with temperatures falling to around 84 in the afternoon. Heat index values as high as 100. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 73 °F		 NWS forecast: A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Heat index values as high as 96. South southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.