Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 21, 12:00 PM MDT until August 21, 10:00 PM MDT

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

Lat: 43.83167°NLon: 111.80611°WElev: 4859.0ft.

Clear

68°F

20°C

Humidity	42%
Wind Speed	N 3 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	19 Aug 10:35 PM MDT

More Information:

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

Extended Forecast for

4 Miles NNE Rigby ID

Heat Advisory August 21, 12:00pm until August 21, 10:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 53 °F
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 58 °F
Partly Cloudy
Friday
High: 94 °F
Mostly Sunny
Friday Night
Low: 60 °F
Slight Chance
T-storms then
Slight Chance
Rain
Saturday
High: 86 °F
Chance Rain
then Chance
T-storms
Saturday Night
Low: 56 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 85 °F
Mostly Sunny
Sunday Night
Low: 53 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 53. East wind around 7 mph.

Thursday

Sunny, with a high near 92. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 58. West southwest wind around 6 mph becoming east after midnight.

Friday

Mostly sunny, with a high near 94. East wind around 6 mph becoming light and variable.

Friday Night

A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 60. North northeast wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 20%.

Saturday

A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Saturday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.

Sunday

Mostly sunny, with a high near 85.

Sunday Night

Partly cloudy, with a low around 53.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.

Tuesday

Mostly sunny, with a high near 85.