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Saint George, UT Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Saint George, Washington County, Utah.

Updated Jul 29, 2026, 1:18 PM local time · Radar refreshes every 5 minutes

☁️
Saint George
Overcast
81°F
Feels like 85°F
Wind 14 mph
Humidity 68%
Cloud cover 100%
UV index 8
Alerts 3

Active alerts (3)

Extreme Heat WarningSevere
Lower Washington County; Zion National Park; South Central Utah; Capitol Reef National Park and Vicinity; Western Canyonlands; Glen Canyon Recreation Area/Lake Powell
Until Jul 30, 2026, 9:30 AM
Full details
* WHAT...Dangerously hot conditions with temperatures up to 107
expected. Warm overnight lows in the upper 60s to low 70s will
offer little relief.

* WHERE...Capitol Reef National Park and Vicinity, Glen Canyon
Recreation Area/Lake Powell, South Central Utah, Western
Canyonlands, Lower Washington County, and Zion National Park.

* WHEN...From noon Friday to 9 PM MDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Flash Flood WarningSevere
Iron, UT; Kane, UT; Washington, UT
Until Jul 29, 2026, 9:15 PM
Full details
FFWSLC

The National Weather Service in Salt Lake City has issued a

* Flash Flood Warning for...
Southeastern Iron County in southern Utah...
West Central Kane County in southern Utah...
East Central Washington County in southwestern Utah...

* Until 315 PM MDT.

* At 1205 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across much of Zion National Park. Up to 0.25 inches of
rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are
possible across Zion National Park, including the Kolob Canyon
area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks, streams,
slot canyons, and normally dry washes.

* Some locations that will experience flash flooding include...
Zion National Park, Springdale and Kolob Canyon.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Remain alert for flooding even in locations not receiving rain. Dry
washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
Flash Flood WarningSevere
Washington, UT
Until Jul 29, 2026, 8:45 PM
Full details
FFWSLC

The National Weather Service in Salt Lake City has issued a

* Flash Flood Warning for...
The Forsyth Burn Scar in...
Central Washington County in southwestern Utah...

* Until 245 PM MDT.

* At 1151 AM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Forsyth Burn Scar. Between 0.5 and 1 inch of
rain has fallen. Flash flooding is ongoing or expected to begin
shortly.

Excessive rainfall over the burn scar will result in debris flow
moving through the Pine Valley Recreation Area, the Santa Clara
River and drainages above Pine Valley. The debris flow can consist
of rock, mud, vegetation and other loose materials.

HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding in and around the Forsyth
Burn Scar.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of areas in and around
the Forsyth Burn Scar.

* Some locations that will experience flash flooding include...
Pine Valley, the Santa Clara River from its headwaters downstream
to just below Baker Reservoir.

This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and
ditches in the Forsyth Burn Scar. Severe debris flows can also be
anticipated across roads. Roads and driveways may be washed away in
places. If you encounter flood waters...climb to safety.

Move to higher ground now. Act quickly to protect your life.

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

Saint George weather radar

Light Heavy

Next 24 hours

Now
🌦️
79°F
49%
2 PM
☁️
88°F
25%
3 PM
🌤️
92°F
12%
4 PM
☀️
95°F
7%
5 PM
☀️
98°F
4%
6 PM
☀️
98°F
2%
7 PM
☀️
99°F
1%
8 PM
☀️
98°F
1%
9 PM
☀️
93°F
1%
10 PM
☀️
91°F
1%
11 PM
☀️
89°F
1%
12 AM
☀️
87°F
1%
1 AM
☀️
87°F
1%
2 AM
☀️
86°F
1%
3 AM
☀️
84°F
 
4 AM
☀️
82°F
 
5 AM
☀️
81°F
 
6 AM
☀️
80°F
 
7 AM
☀️
79°F
 
8 AM
☀️
84°F
 
9 AM
☀️
89°F
 
10 AM
☀️
93°F
 
11 AM
☀️
98°F
 
12 PM
☀️
102°F
 

7-day forecast

Today
Jul 29
🌦️
99°F
79°F
49%
Thu
Jul 30
☀️
108°F
79°F
1%
Fri
Jul 31
☀️
108°F
84°F
Sat
Aug 1
☁️
111°F
85°F
Sun
Aug 2
☀️
111°F
87°F
Mon
Aug 3
☀️
110°F
89°F
Tue
Aug 4
☀️
109°F
88°F
1%

Weather near Saint George

5 mi Washington, UT17 mi Hurricane, UT34 mi Mesquite, NV49 mi Cedar City, UT103 mi Sunrise Manor, NV104 mi Boulder City, NV106 mi North Las Vegas, NV106 mi Whitney, NV
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.