Navigation

Alerts

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.
spacer
Updated: @ 13-Aug-2026 11:50am - next update at 11:55am  
Summary / Temperature Wind Rain Outlook
Cloudy, Dry Cloudy, Dry
Currently: 78.3°F, Max: 79.0°F, Min: 69.5°F 78.3°F
Warmer 1.2°F than last hour.

---

Feels like: 81°F

24-hr difference
5.9°FWarmer 5.9°F than yesterday at this time.
  Today Yesterday
High: 79°F
11:24am 		82°F
2:40pm
Low: 69.5°F
7:01am 		68.8°F
5:23am
Calm SSW
0
Gust:
 0 mph
0 Bft - Calm
Today: 7 mph 10:21am
Gust Month: 23.0 mph August 10
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 1.529 in
Storm Rain: 0 in
This Month: 3.185 in
Season Total: 33.104 in
7 rain days in August.
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 83 % Decreased 1.0% since last hour.
Dew Point: 72.7°F Increased 0.7°F since last hour.
Barometer: 29.908 inHg  
Baro Trend: Steady
Sunrise: 6:00am
Sunset: 7:55pm
Moonrise: 6:56am
Moonset: 7:58pm
Waxing Crescent
Waxing Crescent, Moon at 1 days in cycle
1%
Illuminated
UV Index Solar Radiation
   1.6     Low 
High: 3.0 @ 11:11am
211 W/m2 (25 %)
High: 429 @  11:12am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Cloudy then Showers And Thunderstorms Likely
Cloudy then Showers And T-Storms Likely

Hi 82 °F		 NWS forecast: A chance of rain showers between noon and 1pm, then showers and thunderstorms likely between 1pm and 4pm, then a chance of showers and thunderstorms. Cloudy. High near 82, with temperatures falling to around 78 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms

Lo 68 °F		 NWS forecast: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 68. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.