Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >
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*Note: HeatRisk Probabilities are experimental and may be unavailable at times.
Watch/Warning/Advisory Products
No Products in Effect For Tuolumne County
As of: 08/26 03:36 PM
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| Groveland Big Oak | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
|---|---|---|---|---|---|---|---|
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Minor | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 98% | 90% | 66% |
| HeatRisk Prob Moderate+ |
100% | 100% | 83% | 25% | 12% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
94-96° | 92-95° | 81-87° | 85-87° | 83-86° | 79-84° | 77-83° |
| High Temp Forecast |
95° | 93° | 83° | 86° | 84° | 82° | 79° |
| Low Temp Prob 75° or Higher |
--% | 32% | 42% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 73-76° | 73-77° | 66-71° | 61-67° | 61-66° | 57-63° |
| Low Temp Forecast |
--° | 74° | 74° | 68° | 64° | 63° | 59° |
| Wind Gust Prob 25 mph |
--% | 0% | 9% | 0% | 0% | 9% | 4% |
| Wind Gust Range |
-- | 18-22 mph | 16-22 mph | 17-21 mph | 16-19 mph | 17-23 mph | 16-21 mph |
| Wind Gust Forecast |
-- | 20 mph | 19 mph | 19 mph | 17 mph | 20 mph | 19 mph |
| Rain Prob 0.25" |
--% | 0% | 47% | 32% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 32% | 21% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00" | 0.05-0.61" | 0.00-0.52" | 0.00" | 0.00" | 0.00" |
| Rain Forecast |
-- | 0.0" | 0.3" | 0.19" | 0.0" | 0.0" | 0.0" |
| Keystone | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
Moderate | Moderate | Minor | Minor | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 99% | 96% | 87% |
| HeatRisk Prob Moderate+ |
100% | 96% | 43% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
58% | 16% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
100-101° | 96-100° | 89-94° | 91-94° | 90-93° | 87-91° | 82-88° |
| High Temp Forecast |
100° | 97° | 90° | 92° | 90° | 87° | 84° |
| Low Temp Prob 75° or Higher |
--% | 0% | 32% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 70-73° | 72-76° | 64-70° | 58-64° | 58-64° | 52-58° |
| Low Temp Forecast |
--° | 71° | 73° | 66° | 61° | 60° | 55° |
| Wind Gust Prob 25 mph |
--% | 0% | 9% | 0% | 0% | 0% | 0% |
| Wind Gust Range |
-- | 19-22 mph | 19-23 mph | 19-21 mph | 16-19 mph | 18-22 mph | 17-20 mph |
| Wind Gust Forecast |
-- | 20 mph | 21 mph | 20 mph | 17 mph | 20 mph | 18 mph |
| Rain Prob 0.25" |
--% | 0% | 16% | 5% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 5% | 0% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00" | 0.00-0.17" | 0.00-0.06" | 0.00" | 0.00" | 0.00-0.01" |
| Rain Forecast |
-- | 0.0" | 0.08" | 0.05" | 0.0" | 0.0" | 0.01" |
| Moccasin | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
Minor | Minor | Minor | Minor | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 80% | 100% | 99% | 88% | 53% |
| HeatRisk Prob Moderate+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
89-91° | 88-90° | 77-83° | 81-84° | 82-86° | 79-83° | 73-81° |
| High Temp Forecast |
90° | 88° | 79° | 82° | 83° | 80° | 76° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 54-57° | 56-59° | 50-54° | 47-53° | 47-54° | 42-50° |
| Low Temp Forecast |
--° | 55° | 57° | 52° | 49° | 49° | 45° |
| Wind Gust Prob 25 mph |
--% | 74% | 43% | 65% | 9% | 70% | 52% |
| Wind Gust Range |
-- | 28-34 mph | 21-32 mph | 26-32 mph | 18-24 mph | 27-35 mph | 25-33 mph |
| Wind Gust Forecast |
-- | 30 mph | 25 mph | 29 mph | 21 mph | 30 mph | 27 mph |
| Rain Prob 0.25" |
--% | 0% | 11% | 5% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 5% | 0% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00" | 0.00-0.2" | 0.00-0.18" | 0.00" | 0.00" | 0.00" |
| Rain Forecast |
-- | 0.0" | 0.1" | 0.07" | 0.0" | 0.0" | 0.0" |
| Pinecrest | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
Minor | Minor | Minor | Minor | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 51% | 95% | 95% | 83% | 45% |
| HeatRisk Prob Moderate+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
87-88° | 84-87° | 70-76° | 77-79° | 77-80° | 75-79° | 71-77° |
| High Temp Forecast |
87° | 85° | 72° | 77° | 78° | 76° | 73° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 55-57° | 53-57° | 48-52° | 45-48° | 45-48° | 42-46° |
| Low Temp Forecast |
--° | 55° | 55° | 50° | 47° | 46° | 43° |
| Wind Gust Prob 25 mph |
--% | 0% | 9% | 17% | 0% | 13% | 22% |
| Wind Gust Range |
-- | 17-21 mph | 13-22 mph | 19-25 mph | 15-19 mph | 18-25 mph | 17-26 mph |
| Wind Gust Forecast |
-- | 19 mph | 17 mph | 21 mph | 17 mph | 21 mph | 21 mph |
| Rain Prob 0.25" |
--% | 0% | 84% | 53% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 63% | 37% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 32% | 5% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00" | 0.31-1.18" | 0.17-0.79" | 0.00" | 0.00" | 0.00-0.02" |
| Rain Forecast |
-- | 0.0" | 0.72" | 0.41" | 0.0" | 0.0" | 0.02" |
| Sonora | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Minor | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 97% | 85% |
| HeatRisk Prob Moderate+ |
89% | 86% | 24% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
96-98° | 94-97° | 85-90° | 87-90° | 86-89° | 83-87° | 79-85° |
| High Temp Forecast |
97° | 95° | 86° | 88° | 87° | 84° | 81° |
| Low Temp Prob 75° or Higher |
--% | 0% | 11% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 71-72° | 72-74° | 65-69° | 60-64° | 60-64° | 55-60° |
| Low Temp Forecast |
--° | 71° | 72° | 66° | 62° | 62° | 57° |
| Wind Gust Prob 25 mph |
--% | 0% | 9% | 0% | 0% | 0% | 0% |
| Wind Gust Range |
-- | 17-20 mph | 17-23 mph | 17-20 mph | 15-18 mph | 17-21 mph | 16-20 mph |
| Wind Gust Forecast |
-- | 18 mph | 19 mph | 18 mph | 17 mph | 19 mph | 17 mph |
| Rain Prob 0.25" |
--% | 0% | 26% | 11% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 11% | 5% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00" | 0.00-0.35" | 0.00-0.13" | 0.00" | 0.00" | 0.00-0.01" |
| Rain Forecast |
-- | 0.0" | 0.15" | 0.06" | 0.0" | 0.0" | 0.01" |
| Sonora Pass | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
Low | Low | Low | Low | Low | Low | Low |
| HeatRisk Prob Minor+ |
79% | 33% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Moderate+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
69-71° | 65-69° | 52-58° | 58-61° | 60-64° | 59-62° | 56-60° |
| High Temp Forecast |
70° | 67° | 55° | 59° | 61° | 60° | 57° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 48-50° | 49-52° | 43-46° | 40-43° | 40-44° | 36-41° |
| Low Temp Forecast |
--° | 49° | 50° | 44° | 41° | 41° | 38° |
| Wind Gust Prob 25 mph |
--% | 65% | 65% | 74% | 22% | 61% | 61% |
| Wind Gust Range |
-- | 26-32 mph | 26-37 mph | 30-39 mph | 19-27 mph | 25-34 mph | 26-34 mph |
| Wind Gust Forecast |
-- | 28 mph | 30 mph | 33 mph | 22 mph | 29 mph | 29 mph |
| Rain Prob 0.25" |
--% | 0% | 95% | 74% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 84% | 42% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 53% | 16% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00-0.04" | 0.64-1.44" | 0.29-0.87" | 0.00" | 0.00" | 0.00-0.03" |
| Rain Forecast |
-- | 0.01" | 0.97" | 0.55" | 0.0" | 0.0" | 0.03" |
| Tioga Pass | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
-- | -- | -- | -- | -- | -- | -- |
| HeatRisk Prob Minor+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Moderate+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
68-69° | 64-67° | 52-59° | 58-60° | 59-62° | 58-61° | 55-60° |
| High Temp Forecast |
68° | 65° | 55° | 58° | 60° | 59° | 57° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 43-45° | 44-47° | 38-42° | 36-39° | 36-40° | 32-36° |
| Low Temp Forecast |
--° | 44° | 45° | 39° | 37° | 37° | 34° |
| Wind Gust Prob 25 mph |
--% | 52% | 65% | 70% | 17% | 52% | 52% |
| Wind Gust Range |
-- | 24-30 mph | 27-37 mph | 28-36 mph | 18-25 mph | 25-32 mph | 23-33 mph |
| Wind Gust Forecast |
-- | 26 mph | 31 mph | 31 mph | 21 mph | 27 mph | 27 mph |
| Rain Prob 0.25" |
--% | 16% | 89% | 79% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 68% | 37% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 42% | 5% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00-0.22" | 0.43-1.23" | 0.31-0.72" | 0.00" | 0.00" | 0.00-0.04" |
| Rain Forecast |
-- | 0.05" | 0.82" | 0.47" | 0.0" | 0.0" | 0.04" |
| Twain Harte | WednesdayAug. 26 | ThursdayAug. 27 | FridayAug. 28 | SaturdayAug. 29 | SundayAug. 30 | MondayAug. 31 | TuesdaySep. 01 |
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Minor | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 99% | 90% | 65% |
| HeatRisk Prob Moderate+ |
100% | 99% | 43% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Major+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
92-94° | 90-93° | 78-84° | 82-85° | 81-84° | 78-82° | 75-81° |
| High Temp Forecast |
93° | 91° | 81° | 83° | 82° | 80° | 77° |
| Low Temp Prob 75° or Higher |
--% | 0% | 5% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 71-72° | 70-73° | 63-67° | 60-63° | 60-63° | 56-60° |
| Low Temp Forecast |
--° | 71° | 71° | 65° | 61° | 61° | 58° |
| Wind Gust Prob 25 mph |
--% | 0% | 0% | 0% | 0% | 4% | 4% |
| Wind Gust Range |
-- | 15-18 mph | 13-20 mph | 16-21 mph | 14-18 mph | 15-21 mph | 14-19 mph |
| Wind Gust Forecast |
-- | 16 mph | 16 mph | 17 mph | 15 mph | 18 mph | 17 mph |
| Rain Prob 0.25" |
--% | 0% | 47% | 32% | 0% | 0% | 0% |
| Rain Prob 0.5" |
--% | 0% | 32% | 21% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00" | 0.11-0.68" | 0.00-0.54" | 0.00" | 0.00" | 0.00-0.01" |
| Rain Forecast |
-- | 0.0" | 0.34" | 0.2" | 0.0" | 0.0" | 0.01" |
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: 08/26 03:36 PM
Source: NBM (08/26/2026 19z)
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