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: @ 15-Aug-2026 2:55am - next update at 3:00am  
Summary / Temperature Wind Rain Outlook
Night time, Humid Night time, Humid
Currently: 72.7°F, Max: 79.4°F, Min: 71.8°F 72.7°F
Colder 0.6°F than last hour.

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Feels like: 69°F

24-hr difference
0.8°FWarmer 0.8°F than yesterday at this time.
  Today Yesterday
High: 79.4°F
4:50pm
79°F
11:24am
Low: 71.8°F
7:00am
69.5°F
7:01am
 Calm ENE
0
Gust:
0 mph
0 Bft - Calm
Today: 5 mph 12:14pm
Gust Month: 23.0 mph August 10
Rain Today: 0.24 in
Rain Rate (/hr): 0 in
Rain Yesterday: 1.519 in
Storm Rain: 1.8 in
This Month: 4.949 in
Season Total: 34.868 in
9 rain days in August.
Saturday

Saturday: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 93 % Increased 1.0% since last hour.
Dew Point: 70.6°F Decreased 0.3°F since last hour.
Barometer: 30.042 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 6:02am
Sunset: 7:53pm
Moonrise: 9:20am
Moonset: 8:47pm
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
9%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 3.8 @ 2:10pm
0 W/m2 (0 %)
High: 631 @  4:36pm
 NWS Weather Forecast  - Outlook: Overnight & Saturday
Overnight

Overnight: Showers And Thunderstorms
Showers And T-Storms

Lo 72 °F
NWS forecast: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 72. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Davis VP+ forecast: Increasing clouds with little temp change, precipitation possible within 24 to 48 hrs.
 
Saturday

Saturday: Showers And Thunderstorms
Showers And T-Storms

Hi 82 °F
NWS forecast: Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.