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: @ 30-Sep-2026 4:00pm - next update at 4:05pm  
Summary / Temperature Wind Rain Outlook
Cloudy, Dry Cloudy, Dry
Currently: 64.9°F, Max: 65.1°F, Min: 60.6°F 64.9°F
 

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Feels like: 65°F

24-hr difference
-13.9°FColder 13.9°F than yesterday at this time.
  Today Yesterday
High: 65.1°F
3:06pm
82.5°F
2:58pm
Low: 60.6°F
7:05am
51.8°F
7:00am
 Wind from SSW SSW
2.2
Gust:
2 mph
1 Bft - Light Air
Today: 7 mph 10:38am
Gust Month: 11.0 mph September 15
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.02 in
Storm Rain: 0.02 in
This Month: 4.469 in
Season Total: 40.2 in
9 rain days in September.
Tonight

Tonight: Mostly Clear
Mostly Clear
Humidity & Barometer Almanac Moon
Humidity: 93 %  
Dew Point: 62.8°F  
Barometer: 29.853 inHg  
Baro Trend: Steady
Sunrise: 6:48am
Sunset: 6:36pm
Moonset: 11:30am
Moonrise: 8:03pm
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
79%
Illuminated
UV Index Solar Radiation
   0.5     Low 
High: 1.1 @ 1:12pm
58 W/m2 (14 %)
High: 121 @  1:16pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 90 °F
NWS forecast: Sunny. High near 90, with temperatures falling to around 87 in the afternoon. North wind around 6 mph.
Davis VP+ forecast: Mostly cloudy and cooler, precipitation likely, windy with possible wind shift to the w, nw, or n.
 
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 57 °F
NWS forecast: Mostly clear, with a low around 57. East northeast wind 0 to 3 mph.