National Weather Service United States Department of Commerce

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Sacramento County Decision Support Graphics

Quick access to heat, cold, precipitation, and wind graphics for emergency management partners.

Select a hazard from the dropdown, then choose a date. Use “Open full size” for briefings or sharing.

Note: Images generally update twice a day around 2:30 AM PST and 2:30 PM PST. This page is not an official product, and graphics may not always update. Maintained by the National Weather Service Sacramento, California forecast office.

Heat Risk — Day 1

Heat Risk Day 1 graphic

Viewing Heat Risk for Day 1. Click the image or “Open full size” to open the graphic in a separate window.

*Note: HeatRisk Probabilities are experimental and may be unavailable at times.

Watch/Warning/Advisory Products

No Products in Effect For Sacramento County

As of: 07/31 03:34 AM

City Point Forecast

Choose one city or station at a time. The data and calculations are unchanged; this only changes how the table is displayed.

Downtown Sac FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Minor Moderate
HeatRisk
Prob Minor+
99% 100% 100% 100% 99% 100% 100%
HeatRisk
Prob Moderate+
85% 98% 99% 96% 76% 49% 68%
HeatRisk
Prob Major+
<10% <10% 14% 16% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 5% 11% 5% 0% 0%
High Temp
Range
98-100° 101-103° 102-104° 102-104° 98-102° 95-100° 97-101°
High Temp
Forecast
98° 101° 102° 103° 99° 97° 98°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
59-64° 61-67° 64-71° 67-72° 64-69° 62-67° 62-66°
Low Temp
Forecast
61° 63° 67° 68° 66° 63° 63°
Wind Gust
Prob 25 mph
0% 0% 0% 0% 4% 0% 0%
Wind Gust
Range
17-19 mph 16-19 mph 16-19 mph 18-21 mph 19-22 mph 18-21 mph 17-21 mph
Wind Gust
Forecast
18 mph 17 mph 18 mph 19 mph 20 mph 19 mph 19 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Elk Grove FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Moderate Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 99% 100% 100%
HeatRisk
Prob Moderate+
61% 85% 94% 92% 60% 36% 51%
HeatRisk
Prob Major+
<10% <10% 14% 11% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 5% 0% 0% 0%
High Temp
Range
97-99° 100-102° 100-103° 101-104° 96-100° 93-98° 95-99°
High Temp
Forecast
97° 100° 101° 102° 97° 95° 97°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
56-61° 58-63° 61-66° 63-67° 60-65° 58-63° 58-62°
Low Temp
Forecast
57° 59° 63° 64° 61° 59° 59°
Wind Gust
Prob 25 mph
0% 0% 0% 4% 13% 13% 9%
Wind Gust
Range
18-21 mph 17-21 mph 19-21 mph 20-24 mph 21-25 mph 20-25 mph 19-24 mph
Wind Gust
Forecast
19 mph 19 mph 20 mph 21 mph 23 mph 22 mph 21 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Folsom FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Moderate Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 100% 100% 100%
HeatRisk
Prob Moderate+
91% 99% 100% 100% 91% 76% 87%
HeatRisk
Prob Major+
<10% 21% 43% 60% 15% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 5% 21% 37% 5% 0% 0%
High Temp
Range
99-102° 102-104° 103-105° 104-106° 101-104° 97-102° 98-102°
High Temp
Forecast
100° 103° 103° 104° 102° 99° 100°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
60-64° 63-67° 66-70° 68-71° 66-69° 63-68° 62-67°
Low Temp
Forecast
61° 64° 67° 68° 66° 65° 64°
Wind Gust
Prob 25 mph
0% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
13-15 mph 12-15 mph 12-15 mph 13-17 mph 14-17 mph 14-17 mph 13-17 mph
Wind Gust
Forecast
14 mph 13 mph 13 mph 15 mph 15 mph 15 mph 15 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Galt FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Minor Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 99% 99% 100%
HeatRisk
Prob Moderate+
63% 82% 91% 88% 55% 30% 49%
HeatRisk
Prob Major+
<10% <10% 14% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 5% 0% 0% 0%
High Temp
Range
96-98° 99-101° 100-103° 100-103° 95-100° 93-97° 95-99°
High Temp
Forecast
96° 99° 100° 101° 97° 95° 96°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
57-62° 58-64° 61-67° 62-68° 60-65° 58-63° 58-62°
Low Temp
Forecast
58° 60° 63° 64° 62° 60° 59°
Wind Gust
Prob 25 mph
0% 0% 0% 4% 13% 13% 4%
Wind Gust
Range
18-21 mph 17-21 mph 18-21 mph 20-23 mph 21-25 mph 20-25 mph 20-24 mph
Wind Gust
Forecast
19 mph 19 mph 19 mph 21 mph 23 mph 22 mph 21 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Mather FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Moderate Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 100% 100% 100%
HeatRisk
Prob Moderate+
74% 90% 95% 93% 70% 48% 64%
HeatRisk
Prob Major+
<10% <10% 14% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 5% 16% 5% 0% 0%
High Temp
Range
98-100° 101-103° 102-104° 102-105° 98-102° 96-100° 97-101°
High Temp
Forecast
98° 101° 102° 103° 99° 97° 98°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
57-61° 59-64° 62-67° 64-68° 62-66° 59-64° 59-63°
Low Temp
Forecast
58° 61° 64° 66° 63° 61° 61°
Wind Gust
Prob 25 mph
0% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
16-19 mph 15-18 mph 16-19 mph 17-21 mph 18-21 mph 17-20 mph 16-20 mph
Wind Gust
Forecast
17 mph 16 mph 17 mph 18 mph 19 mph 18 mph 18 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
McClellan FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Moderate Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 99% 100% 100%
HeatRisk
Prob Moderate+
89% 99% 100% 98% 83% 63% 76%
HeatRisk
Prob Major+
<10% <10% 13% 20% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 16% 21% 5% 0% 0%
High Temp
Range
99-100° 101-104° 102-104° 102-105° 99-102° 96-100° 97-101°
High Temp
Forecast
99° 102° 103° 103° 100° 98° 99°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
60-65° 63-68° 66-71° 68-72° 66-71° 63-68° 63-67°
Low Temp
Forecast
61° 64° 68° 69° 67° 65° 64°
Wind Gust
Prob 25 mph
0% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
15-18 mph 14-17 mph 14-18 mph 15-19 mph 17-20 mph 17-20 mph 15-20 mph
Wind Gust
Forecast
17 mph 16 mph 15 mph 17 mph 18 mph 18 mph 17 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Rancho Murieta FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Moderate Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 100% 100% 100%
HeatRisk
Prob Moderate+
78% 92% 98% 97% 75% 60% 75%
HeatRisk
Prob Major+
<10% <10% 12% 18% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 11% 16% 5% 0% 0%
High Temp
Range
99-101° 101-104° 102-105° 103-105° 100-103° 97-101° 98-102°
High Temp
Forecast
99° 102° 103° 104° 101° 98° 99°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
59-64° 61-66° 65-69° 67-70° 64-69° 62-67° 61-65°
Low Temp
Forecast
60° 63° 66° 68° 65° 63° 63°
Wind Gust
Prob 25 mph
0% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
14-17 mph 13-16 mph 14-17 mph 15-19 mph 16-18 mph 15-18 mph 15-18 mph
Wind Gust
Forecast
15 mph 15 mph 15 mph 17 mph 17 mph 17 mph 16 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Sac Exec FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Moderate Moderate Moderate
HeatRisk
Prob Minor+
100% 100% 100% 100% 99% 100% 100%
HeatRisk
Prob Moderate+
78% 98% 97% 96% 68% 45% 63%
HeatRisk
Prob Major+
<10% <10% 20% 15% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 5% 11% 0% 0% 0%
High Temp
Range
98-100° 101-103° 101-104° 102-105° 97-101° 94-99° 96-100°
High Temp
Forecast
98° 101° 102° 102° 98° 96° 98°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
57-62° 59-65° 62-68° 64-69° 62-67° 60-65° 59-64°
Low Temp
Forecast
59° 61° 64° 66° 63° 61° 61°
Wind Gust
Prob 25 mph
0% 0% 4% 17% 35% 30% 26%
Wind Gust
Range
19-23 mph 18-22 mph 19-23 mph 21-25 mph 23-27 mph 21-26 mph 20-26 mph
Wind Gust
Forecast
21 mph 20 mph 21 mph 22 mph 25 mph 23 mph 23 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Sac International FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Minor Moderate Moderate Moderate Moderate Minor Moderate
HeatRisk
Prob Minor+
97% 100% 100% 100% 99% 100% 100%
HeatRisk
Prob Moderate+
67% 91% 94% 91% 71% 41% 52%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 5% 11% 0% 0% 0%
High Temp
Range
97-100° 100-102° 101-104° 101-104° 98-101° 95-99° 96-100°
High Temp
Forecast
98° 101° 102° 102° 99° 97° 98°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
55-61° 58-64° 61-67° 64-68° 61-66° 58-63° 57-62°
Low Temp
Forecast
57° 60° 63° 65° 62° 60° 59°
Wind Gust
Prob 25 mph
0% 0% 0% 0% 4% 0% 0%
Wind Gust
Range
17-20 mph 15-19 mph 16-20 mph 17-21 mph 19-23 mph 18-22 mph 17-22 mph
Wind Gust
Forecast
18 mph 17 mph 18 mph 19 mph 21 mph 20 mph 19 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Walnut Grove FridayJul. 31 SaturdayAug. 01 SundayAug. 02 MondayAug. 03 TuesdayAug. 04 WednesdayAug. 05 ThursdayAug. 06
HeatRisk
Forecast
Moderate Moderate Moderate Moderate Minor Minor Minor
HeatRisk
Prob Minor+
100% 100% 100% 100% 99% 100% 100%
HeatRisk
Prob Moderate+
36% 78% 83% 81% 34% 13% 28%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
94-97° 97-100° 98-102° 98-103° 92-98° 90-95° 92-97°
High Temp
Forecast
95° 98° 99° 100° 94° 92° 94°
Low Temp
Prob 75°
or Higher
0% 0% 0% 0% 0% 0% 0%
Low Temp
Range
54-60° 57-62° 59-66° 60-66° 58-63° 56-61° 56-61°
Low Temp
Forecast
56° 59° 62° 63° 60° 58° 58°
Wind Gust
Prob 25 mph
17% 9% 9% 39% 61% 48% 48%
Wind Gust
Range
22-25 mph 21-24 mph 22-25 mph 24-27 mph 25-30 mph 24-29 mph 24-28 mph
Wind Gust
Forecast
23 mph 22 mph 23 mph 25 mph 27 mph 26 mph 25 mph
Rain
Prob 0.25"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
0% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
0% 0% 0% 0% 0% 0% 0%
Rain
Range
0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"

Legend

HeatRisk

Low Minor Moderate Major Extreme

High Temperature

< <10% 10-39% 40-69% >70%

Low Temperature / Warm Nights

< <10% 10-39% 40-69% >70%

Snow

< <10% 10-39% 40-69% >70%

Wind

< <10% 10-39% 40-69% >70%

Rain

< <10% 10-39% 40-69% >70%

Updated: 07/31 03:34 AM

Source: NBM (07/31/2026 07z)