Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Holland - West Michigan Regional Airport (KBIV)

Lat: 42.75° N Lon: 86.1° W Elev: 686 ft.

Fair

71°F

22°C

Humidity 90%
Wind Speed SE 9 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 29 Jun 6:53 am EDT
Detailed forecast for

Allegan County

Early This Morning
Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Today
Partly sunny with a 40 percent chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the lower 90s. South winds 5 to 15 mph with gusts to around 25 mph. Heat index readings 102 to 107.
Tonight
Partly cloudy in the evening then becoming clear. Lows in the mid 70s. South winds 5 to 10 mph with gusts to around 25 mph.
Tuesday
Mostly sunny. Highs in the upper 80s near lake michigan in the lower 90s inland. Southwest winds 5 to 15 mph with gusts to around 30 mph. Heat index readings 102 to 107.
Tuesday Night
Mostly clear. Lows in the mid 70s. Southwest winds 5 to 15 mph. Gusts up to 30 mph decreasing to 20 mph after midnight.
Wednesday
Sunny. Highs in the lower 90s. Southwest winds 5 to 15 mph with gusts to around 30 mph. Heat index readings 98 to 103.
Wednesday Night
Mostly clear. Lows in the mid 70s.
Thursday
Sunny. Highs in the mid 90s.
Thursday Night
Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 70s.
Friday
Mostly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s.
Friday Night
Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s.
Independence Day
Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
Saturday Night
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 30 percent.
Sunday
Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.



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222 AM EDT Mon Jun 29 2026
 
 

Additional Resources

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