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Grundy Co
 Details for Grundy Co Flood Watch
Flood Watch FLOOD 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: @ 20-Sep-2026 2:45am - next update at 2:50am  
Summary / Temperature Wind Rain Outlook
Night time, Stopped raining Night time, Stopped raining
Currently: 70.5°F, Max: 74.9°F, Min: 65.4°F 70.5°F
Warmer 0.2°F than last hour.

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Feels like: 65°F

24-hr difference
1.6°FWarmer 1.6°F than yesterday at this time.
  Today Yesterday
High: 74.9°F
2:14pm 		75.2°F
2:20pm
Low: 65.4°F
9:44am 		66.4°F
6:55am
Wind from S S
0.4
Gust:
 0 mph
0 Bft - Calm
Today: 7 mph 12:11pm
Gust Month: 11.0 mph September 15
Rain Today: 1.37 in
Rain Rate (/hr): 0.016 in
Rain Yesterday: 0 in
Storm Rain: 1.4 in
This Month: 3.9 in
Season Total: 39.631 in
6 rain days in September.
Sunday

Sunday: Patchy Fog
Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 95 %  
Dew Point: 69°F Increased 0.1°F since last hour.
Barometer: 29.831 inHg Falling 0.04 inHg/hr
Baro Trend: Falling
Sunrise: 6:38am
Sunset: 6:53pm
Moonset: 12:00am
Moonrise: 4:03pm
Waxing Gibbous
Waxing Gibbous, Moon at 8 days in cycle
64%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 2.0 @ 12:32pm
0 W/m2 (0 %)
High: 251 @  12:34pm
 NWS Weather Forecast  - Outlook: Overnight & Sunday
Overnight

Overnight: Patchy Fog
Patchy Fog

Lo 68 °F		 NWS forecast: Patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 68. East northeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Sunday

Sunday: Patchy Fog
Patchy Fog

Hi 72 °F		 NWS forecast: Patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. High near 72, with temperatures falling to around 69 in the afternoon. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.