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Grundy Co
 Details for Grundy Co Hydrologic Outlook
Hydrologic Outlook HYDROLOGIC OUTLOOK - 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: @ 31-Jul-2026 3:10pm - next update at 3:15pm  
Summary / Temperature Wind Rain Outlook
Cloudy, Dry Cloudy, Dry
Currently: 74.0°F, Max: 77.0°F, Min: 67.4°F 74°F
 

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Feels like: 76°F

24-hr difference
-13.6°FColder 13.6°F than yesterday at this time.
  Today Yesterday
High: 77°F
11:38am 		88.8°F
2:59pm
Low: 67.4°F
7:00am 		58.8°F
7:00am
Wind from S S
4.2
Gust:
 5 mph
2 Bft - Light Breeze
Today: 10.4 mph 3:03pm
Gust Month: 16.0 mph July 27
Rain Today: 0.03 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0.03 in
This Month: 3.136 in
Season Total: 27.734 in
8 rain days in July.
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 73 % Decreased 9.0% since last hour.
Dew Point: 64.8°F Decreased 3.4°F since last hour.
Barometer: 29.84 inHg Falling 0.03 inHg/hr
Baro Trend: Falling slowly
Sunrise: 5:47am
Sunset: 8:11pm
Moonset: 7:44am
Moonrise: 9:01pm
Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
95%
Illuminated
UV Index Solar Radiation
   1.6     Low 
High: 2.1 @ 1:56pm
179 W/m2 (21 %)
High: 264 @  9:31am
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Showers And Thunderstorms
Showers And T-Storms

Hi 76 °F		 NWS forecast: Rain showers likely before 3pm, then showers and thunderstorms. Cloudy. High near 76, with temperatures falling to around 72 in the afternoon. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Increasing clouds with little temp change, precipitation possible and windy within 6 hrs.
 
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms

Lo 67 °F		 NWS forecast: Showers and thunderstorms. Cloudy, with a low around 67. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.