The HEAT is on!

A surge of heat and humidity will stream into the area this afternoon on south winds. We will jump into the upper 80s in many areas this afternoon. The upcoming work week will see highs rise into the 90s each day. Heat index values will push towards 100 because of the heat / humidity combo. This week we will need to check on those without AC, drink plenty of fluids if working outside. Stay cool! Read More >

Hazardous Weather Conditions

Excessive Heat Watch in effect from June 17, 12:00 PM EDT until June 21, 08:00 PM EDT

Current conditions at

Jackson County Airport - Reynolds Field (KJXN)

Lat: 42.26°NLon: 84.46°WElev: 988ft.

Fair

72°F

22°C

Humidity	50%
Wind Speed	SE 10 mph
Barometer	30.10 in (1018.9 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	16 Jun 9:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Grass Lake MI

Excessive Heat Watch June 17, 12:00pm until June 21, 08:00pm

Click here for hazard details and duration

Excessive Heat Watch

Today
High: 87 °F
Sunny
Tonight
Low: 69 °F
Mostly Clear
then Chance
T-storms
Monday
High: 95 °F
Chance
T-storms
Monday Night
Low: 71 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 93 °F
Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms then
Mostly Cloudy
Juneteenth
High: 94 °F
Hot
Wednesday Night
Low: 71 °F
Mostly Cloudy
Thursday
High: 95 °F
Hot

Detailed Forecast

Today

Sunny, with a high near 87. South wind 10 to 13 mph, with gusts as high as 21 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly clear, with a low around 69. South wind 6 to 9 mph.

Monday

A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 100. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Monday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. South southwest wind around 7 mph.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 93. South southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71.

Juneteenth

Partly sunny and hot, with a high near 94.

Wednesday Night

Mostly cloudy, with a low around 71.

Thursday

Mostly sunny and hot, with a high near 95.

Thursday Night

Mostly cloudy, with a low around 69.

Friday

Mostly sunny and hot, with a high near 93.