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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Logan-Cache Airport (KLGU)

Lat: 41.78652° N Lon: 111.85187° W Elev: 4446 ft.




Humidity 26%
Wind Speed S 12 MPH
Barometer 29.98 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 20 Jul 5:05 pm MDT
Detailed forecast for

Cache Valley/Utah Portion

Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated showers and thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows around 60. Chance of precipitation 30 percent.
Sunny. Highs in the mid 90s.
Friday Night
Clear. Lows in the mid 50s.
Sunny. Highs in the mid 90s.
Saturday Night
Clear. Lows in the mid 50s.
Sunny. Highs in the mid 90s.
Sunday Night
Partly cloudy. Lows around 60.
Monday And Monday Night
Mostly cloudy. Highs in the mid 90s. Lows around 60.
Tuesday And Tuesday Night
Mostly cloudy. A 30 percent chance of showers and thunderstorms. Highs in the lower 90s. Lows around 60.
Wednesday Through Thursday
Mostly cloudy. Highs around 90. Lows around 60. =

Click Map For Forecast
247 PM MDT Thu Jul 20 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database